82737980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18719}}^1$

素因数の和:18758

約数の個数: 48

約数和(自身を含む): 198132480

約数和(自身を除く): 115394500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18719, 37438, 74876, 93595, 187190, 243347, 318223, 374380, 486694, 636446, 973388, 1216735, 1272892, 1591115, 2433470, 3182230, 4136899, 4866940, 6364460, 8273798, 16547596, 20684495, 41368990, 82737980]

約数ペア:

[(1, 82737980), (2, 41368990), (4, 20684495), (5, 16547596), (10, 8273798), (13, 6364460), (17, 4866940), (20, 4136899), (26, 3182230), (34, 2433470), (52, 1591115), (65, 1272892), (68, 1216735), (85, 973388), (130, 636446), (170, 486694), (221, 374380), (260, 318223), (340, 243347), (442, 187190), (884, 93595), (1105, 74876), (2210, 37438), (4420, 18719)]