71020400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{16141}}^1$

素因数の和:16170

約数の個数: 60

約数和(自身を含む): 186149544

約数和(自身を除く): 115129144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 16141, 32282, 64564, 80705, 129128, 161410, 177551, 258256, 322820, 355102, 403525, 645640, 710204, 807050, 887755, 1291280, 1420408, 1614100, 1775510, 2840816, 3228200, 3551020, 4438775, 6456400, 7102040, 8877550, 14204080, 17755100, 35510200, 71020400]

約数ペア:

[(1, 71020400), (2, 35510200), (4, 17755100), (5, 14204080), (8, 8877550), (10, 7102040), (11, 6456400), (16, 4438775), (20, 3551020), (22, 3228200), (25, 2840816), (40, 1775510), (44, 1614100), (50, 1420408), (55, 1291280), (80, 887755), (88, 807050), (100, 710204), (110, 645640), (176, 403525), (200, 355102), (220, 322820), (275, 258256), (400, 177551), (440, 161410), (550, 129128), (880, 80705), (1100, 64564), (2200, 32282), (4400, 16141)]