77331280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74357}}^1$

素因数の和:74383

約数の個数: 40

約数和(自身を含む): 193628232

約数和(自身を除く): 116296952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74357, 148714, 297428, 371785, 594856, 743570, 966641, 1189712, 1487140, 1933282, 2974280, 3866564, 4833205, 5948560, 7733128, 9666410, 15466256, 19332820, 38665640, 77331280]

約数ペア:

[(1, 77331280), (2, 38665640), (4, 19332820), (5, 15466256), (8, 9666410), (10, 7733128), (13, 5948560), (16, 4833205), (20, 3866564), (26, 2974280), (40, 1933282), (52, 1487140), (65, 1189712), (80, 966641), (104, 743570), (130, 594856), (208, 371785), (260, 297428), (520, 148714), (1040, 74357)]