25628680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 73716480

約数和(自身を除く): 48087800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 140, 154, 157, 212, 220, 265, 280, 308, 314, 371, 385, 424, 440, 530, 583, 616, 628, 742, 770, 785, 1060, 1099, 1166, 1256, 1484, 1540, 1570, 1727, 1855, 2120, 2198, 2332, 2915, 2968, 3080, 3140, 3454, 3710, 4081, 4396, 4664, 5495, 5830, 6280, 6908, 7420, 8162, 8321, 8635, 8792, 10990, 11660, 12089, 13816, 14840, 16324, 16642, 17270, 20405, 21980, 23320, 24178, 32648, 33284, 34540, 40810, 41605, 43960, 48356, 58247, 60445, 66568, 69080, 81620, 83210, 91531, 96712, 116494, 120890, 163240, 166420, 183062, 232988, 241780, 291235, 332840, 366124, 457655, 465976, 483560, 582470, 640717, 732248, 915310, 1164940, 1281434, 1830620, 2329880, 2562868, 3203585, 3661240, 5125736, 6407170, 12814340, 25628680]

約数ペア:

[(1, 25628680), (2, 12814340), (4, 6407170), (5, 5125736), (7, 3661240), (8, 3203585), (10, 2562868), (11, 2329880), (14, 1830620), (20, 1281434), (22, 1164940), (28, 915310), (35, 732248), (40, 640717), (44, 582470), (53, 483560), (55, 465976), (56, 457655), (70, 366124), (77, 332840), (88, 291235), (106, 241780), (110, 232988), (140, 183062), (154, 166420), (157, 163240), (212, 120890), (220, 116494), (265, 96712), (280, 91531), (308, 83210), (314, 81620), (371, 69080), (385, 66568), (424, 60445), (440, 58247), (530, 48356), (583, 43960), (616, 41605), (628, 40810), (742, 34540), (770, 33284), (785, 32648), (1060, 24178), (1099, 23320), (1166, 21980), (1256, 20405), (1484, 17270), (1540, 16642), (1570, 16324), (1727, 14840), (1855, 13816), (2120, 12089), (2198, 11660), (2332, 10990), (2915, 8792), (2968, 8635), (3080, 8321), (3140, 8162), (3454, 7420), (3710, 6908), (4081, 6280), (4396, 5830), (4664, 5495)]