40691248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2357}}^1$

素因数の和:2461

約数の個数: 40

約数和(自身を含む): 85963248

約数和(自身を除く): 45272000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 2357, 4316, 4714, 8632, 9428, 17264, 18856, 30641, 37712, 61282, 122564, 195631, 245128, 391262, 490256, 782524, 1565048, 2543203, 3130096, 5086406, 10172812, 20345624, 40691248]

約数ペア:

[(1, 40691248), (2, 20345624), (4, 10172812), (8, 5086406), (13, 3130096), (16, 2543203), (26, 1565048), (52, 782524), (83, 490256), (104, 391262), (166, 245128), (208, 195631), (332, 122564), (664, 61282), (1079, 37712), (1328, 30641), (2158, 18856), (2357, 17264), (4316, 9428), (4714, 8632)]