22215440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 80

約数和(自身を含む): 57090096

約数和(自身を除く): 34874656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 521, 533, 656, 820, 1040, 1042, 1066, 1640, 2084, 2132, 2605, 2665, 3280, 4168, 4264, 5210, 5330, 6773, 8336, 8528, 10420, 10660, 13546, 20840, 21320, 21361, 27092, 33865, 41680, 42640, 42722, 54184, 67730, 85444, 106805, 108368, 135460, 170888, 213610, 270920, 277693, 341776, 427220, 541840, 555386, 854440, 1110772, 1388465, 1708880, 2221544, 2776930, 4443088, 5553860, 11107720, 22215440]

約数ペア:

[(1, 22215440), (2, 11107720), (4, 5553860), (5, 4443088), (8, 2776930), (10, 2221544), (13, 1708880), (16, 1388465), (20, 1110772), (26, 854440), (40, 555386), (41, 541840), (52, 427220), (65, 341776), (80, 277693), (82, 270920), (104, 213610), (130, 170888), (164, 135460), (205, 108368), (208, 106805), (260, 85444), (328, 67730), (410, 54184), (520, 42722), (521, 42640), (533, 41680), (656, 33865), (820, 27092), (1040, 21361), (1042, 21320), (1066, 20840), (1640, 13546), (2084, 10660), (2132, 10420), (2605, 8528), (2665, 8336), (3280, 6773), (4168, 5330), (4264, 5210)]