25408880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 72176928

約数和(自身を除く): 46768048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 157, 170, 238, 272, 280, 289, 314, 340, 476, 560, 578, 595, 628, 680, 785, 952, 1099, 1156, 1190, 1256, 1360, 1445, 1570, 1904, 2023, 2198, 2312, 2380, 2512, 2669, 2890, 3140, 4046, 4396, 4624, 4760, 5338, 5495, 5780, 6280, 8092, 8792, 9520, 10115, 10676, 10990, 11560, 12560, 13345, 16184, 17584, 18683, 20230, 21352, 21980, 23120, 26690, 32368, 37366, 40460, 42704, 43960, 45373, 53380, 74732, 80920, 87920, 90746, 93415, 106760, 149464, 161840, 181492, 186830, 213520, 226865, 298928, 317611, 362984, 373660, 453730, 635222, 725968, 747320, 907460, 1270444, 1494640, 1588055, 1814920, 2540888, 3176110, 3629840, 5081776, 6352220, 12704440, 25408880]

約数ペア:

[(1, 25408880), (2, 12704440), (4, 6352220), (5, 5081776), (7, 3629840), (8, 3176110), (10, 2540888), (14, 1814920), (16, 1588055), (17, 1494640), (20, 1270444), (28, 907460), (34, 747320), (35, 725968), (40, 635222), (56, 453730), (68, 373660), (70, 362984), (80, 317611), (85, 298928), (112, 226865), (119, 213520), (136, 186830), (140, 181492), (157, 161840), (170, 149464), (238, 106760), (272, 93415), (280, 90746), (289, 87920), (314, 80920), (340, 74732), (476, 53380), (560, 45373), (578, 43960), (595, 42704), (628, 40460), (680, 37366), (785, 32368), (952, 26690), (1099, 23120), (1156, 21980), (1190, 21352), (1256, 20230), (1360, 18683), (1445, 17584), (1570, 16184), (1904, 13345), (2023, 12560), (2198, 11560), (2312, 10990), (2380, 10676), (2512, 10115), (2669, 9520), (2890, 8792), (3140, 8092), (4046, 6280), (4396, 5780), (4624, 5495), (4760, 5338)]