28079480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4944

約数の個数: 64

約数和(自身を含む): 74239200

約数和(自身を除く): 46159720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4909, 5720, 9818, 19636, 24545, 39272, 49090, 53999, 63817, 98180, 107998, 127634, 196360, 215996, 255268, 269995, 319085, 431992, 510536, 539990, 638170, 701987, 1079980, 1276340, 1403974, 2159960, 2552680, 2807948, 3509935, 5615896, 7019870, 14039740, 28079480]

約数ペア:

[(1, 28079480), (2, 14039740), (4, 7019870), (5, 5615896), (8, 3509935), (10, 2807948), (11, 2552680), (13, 2159960), (20, 1403974), (22, 1276340), (26, 1079980), (40, 701987), (44, 638170), (52, 539990), (55, 510536), (65, 431992), (88, 319085), (104, 269995), (110, 255268), (130, 215996), (143, 196360), (220, 127634), (260, 107998), (286, 98180), (440, 63817), (520, 53999), (572, 49090), (715, 39272), (1144, 24545), (1430, 19636), (2860, 9818), (4909, 5720)]