2100085240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1871}}^1\times {\mathrm{2551}}^1$

素因数の和:4444

約数の個数: 64

約数和(自身を含む): 5159531520

約数和(自身を除く): 3059446280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1871, 2551, 3742, 5102, 7484, 9355, 10204, 12755, 14968, 18710, 20408, 20581, 25510, 28061, 37420, 41162, 51020, 56122, 74840, 82324, 102040, 102905, 112244, 140305, 164648, 205810, 224488, 280610, 411620, 561220, 823240, 1122440, 4772921, 9545842, 19091684, 23864605, 38183368, 47729210, 52502131, 95458420, 105004262, 190916840, 210008524, 262510655, 420017048, 525021310, 1050042620, 2100085240]

約数ペア:

[(1, 2100085240), (2, 1050042620), (4, 525021310), (5, 420017048), (8, 262510655), (10, 210008524), (11, 190916840), (20, 105004262), (22, 95458420), (40, 52502131), (44, 47729210), (55, 38183368), (88, 23864605), (110, 19091684), (220, 9545842), (440, 4772921), (1871, 1122440), (2551, 823240), (3742, 561220), (5102, 411620), (7484, 280610), (9355, 224488), (10204, 205810), (12755, 164648), (14968, 140305), (18710, 112244), (20408, 102905), (20581, 102040), (25510, 82324), (28061, 74840), (37420, 56122), (41162, 51020)]