28276880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 69464304

約数和(自身を除く): 41187424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 233, 296, 328, 370, 410, 466, 592, 656, 740, 820, 932, 1165, 1480, 1517, 1640, 1864, 2330, 2960, 3034, 3280, 3728, 4660, 6068, 7585, 8621, 9320, 9553, 12136, 15170, 17242, 18640, 19106, 24272, 30340, 34484, 38212, 43105, 47765, 60680, 68968, 76424, 86210, 95530, 121360, 137936, 152848, 172420, 191060, 344840, 353461, 382120, 689680, 706922, 764240, 1413844, 1767305, 2827688, 3534610, 5655376, 7069220, 14138440, 28276880]

約数ペア:

[(1, 28276880), (2, 14138440), (4, 7069220), (5, 5655376), (8, 3534610), (10, 2827688), (16, 1767305), (20, 1413844), (37, 764240), (40, 706922), (41, 689680), (74, 382120), (80, 353461), (82, 344840), (148, 191060), (164, 172420), (185, 152848), (205, 137936), (233, 121360), (296, 95530), (328, 86210), (370, 76424), (410, 68968), (466, 60680), (592, 47765), (656, 43105), (740, 38212), (820, 34484), (932, 30340), (1165, 24272), (1480, 19106), (1517, 18640), (1640, 17242), (1864, 15170), (2330, 12136), (2960, 9553), (3034, 9320), (3280, 8621), (3728, 7585), (4660, 6068)]