26839780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6460

約数の個数: 48

約数和(自身を含む): 64733760

約数和(自身を除く): 37893980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6421, 12842, 25684, 32105, 64210, 70631, 121999, 128420, 141262, 243998, 282524, 353155, 487996, 609995, 706310, 1219990, 1341989, 1412620, 2439980, 2683978, 5367956, 6709945, 13419890, 26839780]

約数ペア:

[(1, 26839780), (2, 13419890), (4, 6709945), (5, 5367956), (10, 2683978), (11, 2439980), (19, 1412620), (20, 1341989), (22, 1219990), (38, 706310), (44, 609995), (55, 487996), (76, 353155), (95, 282524), (110, 243998), (190, 141262), (209, 128420), (220, 121999), (380, 70631), (418, 64210), (836, 32105), (1045, 25684), (2090, 12842), (4180, 6421)]