25570720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 74269440

約数和(自身を除く): 48698720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 79, 80, 85, 112, 119, 136, 140, 158, 160, 170, 224, 238, 272, 280, 289, 316, 340, 395, 476, 544, 553, 560, 578, 595, 632, 680, 790, 952, 1106, 1120, 1156, 1190, 1264, 1343, 1360, 1445, 1580, 1904, 2023, 2212, 2312, 2380, 2528, 2686, 2720, 2765, 2890, 3160, 3808, 4046, 4424, 4624, 4760, 5372, 5530, 5780, 6320, 6715, 8092, 8848, 9248, 9401, 9520, 10115, 10744, 11060, 11560, 12640, 13430, 16184, 17696, 18802, 19040, 20230, 21488, 22120, 22831, 23120, 26860, 32368, 37604, 40460, 42976, 44240, 45662, 46240, 47005, 53720, 64736, 75208, 80920, 88480, 91324, 94010, 107440, 114155, 150416, 159817, 161840, 182648, 188020, 214880, 228310, 300832, 319634, 323680, 365296, 376040, 456620, 639268, 730592, 752080, 799085, 913240, 1278536, 1504160, 1598170, 1826480, 2557072, 3196340, 3652960, 5114144, 6392680, 12785360, 25570720]

約数ペア:

[(1, 25570720), (2, 12785360), (4, 6392680), (5, 5114144), (7, 3652960), (8, 3196340), (10, 2557072), (14, 1826480), (16, 1598170), (17, 1504160), (20, 1278536), (28, 913240), (32, 799085), (34, 752080), (35, 730592), (40, 639268), (56, 456620), (68, 376040), (70, 365296), (79, 323680), (80, 319634), (85, 300832), (112, 228310), (119, 214880), (136, 188020), (140, 182648), (158, 161840), (160, 159817), (170, 150416), (224, 114155), (238, 107440), (272, 94010), (280, 91324), (289, 88480), (316, 80920), (340, 75208), (395, 64736), (476, 53720), (544, 47005), (553, 46240), (560, 45662), (578, 44240), (595, 42976), (632, 40460), (680, 37604), (790, 32368), (952, 26860), (1106, 23120), (1120, 22831), (1156, 22120), (1190, 21488), (1264, 20230), (1343, 19040), (1360, 18802), (1445, 17696), (1580, 16184), (1904, 13430), (2023, 12640), (2212, 11560), (2312, 11060), (2380, 10744), (2528, 10115), (2686, 9520), (2720, 9401), (2765, 9248), (2890, 8848), (3160, 8092), (3808, 6715), (4046, 6320), (4424, 5780), (4624, 5530), (4760, 5372)]