20881644080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{63617}}^1$

素因数の和:64014

約数の個数: 80

約数和(自身を含む): 53106270624

約数和(自身を除く): 32224626544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 373, 440, 746, 880, 1492, 1865, 2984, 3730, 4103, 5968, 7460, 8206, 14920, 16412, 20515, 29840, 32824, 41030, 63617, 65648, 82060, 127234, 164120, 254468, 318085, 328240, 508936, 636170, 699787, 1017872, 1272340, 1399574, 2544680, 2799148, 3498935, 5089360, 5598296, 6997870, 11196592, 13995740, 23729141, 27991480, 47458282, 55982960, 94916564, 118645705, 189833128, 237291410, 261020551, 379666256, 474582820, 522041102, 949165640, 1044082204, 1305102755, 1898331280, 2088164408, 2610205510, 4176328816, 5220411020, 10440822040, 20881644080]

約数ペア:

[(1, 20881644080), (2, 10440822040), (4, 5220411020), (5, 4176328816), (8, 2610205510), (10, 2088164408), (11, 1898331280), (16, 1305102755), (20, 1044082204), (22, 949165640), (40, 522041102), (44, 474582820), (55, 379666256), (80, 261020551), (88, 237291410), (110, 189833128), (176, 118645705), (220, 94916564), (373, 55982960), (440, 47458282), (746, 27991480), (880, 23729141), (1492, 13995740), (1865, 11196592), (2984, 6997870), (3730, 5598296), (4103, 5089360), (5968, 3498935), (7460, 2799148), (8206, 2544680), (14920, 1399574), (16412, 1272340), (20515, 1017872), (29840, 699787), (32824, 636170), (41030, 508936), (63617, 328240), (65648, 318085), (82060, 254468), (127234, 164120)]