28216760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4933}}^1$

素因数の和:4968

約数の個数: 64

約数和(自身を含む): 74602080

約数和(自身を除く): 46385320

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, 4933, 5720, 9866, 19732, 24665, 39464, 49330, 54263, 64129, 98660, 108526, 128258, 197320, 217052, 256516, 271315, 320645, 434104, 513032, 542630, 641290, 705419, 1085260, 1282580, 1410838, 2170520, 2565160, 2821676, 3527095, 5643352, 7054190, 14108380, 28216760]

約数ペア:

[(1, 28216760), (2, 14108380), (4, 7054190), (5, 5643352), (8, 3527095), (10, 2821676), (11, 2565160), (13, 2170520), (20, 1410838), (22, 1282580), (26, 1085260), (40, 705419), (44, 641290), (52, 542630), (55, 513032), (65, 434104), (88, 320645), (104, 271315), (110, 256516), (130, 217052), (143, 197320), (220, 128258), (260, 108526), (286, 98660), (440, 64129), (520, 54263), (572, 49330), (715, 39464), (1144, 24665), (1430, 19732), (2860, 9866), (4933, 5720)]