80419480

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1973}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 181213200

約数和(自身を除く): 100793720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 1973, 2038, 3946, 4076, 5095, 7892, 8152, 9865, 10190, 15784, 19730, 20380, 39460, 40760, 78920, 2010487, 4020974, 8041948, 10052435, 16083896, 20104870, 40209740, 80419480]

約数ペア:

[(1, 80419480), (2, 40209740), (4, 20104870), (5, 16083896), (8, 10052435), (10, 8041948), (20, 4020974), (40, 2010487), (1019, 78920), (1973, 40760), (2038, 39460), (3946, 20380), (4076, 19730), (5095, 15784), (7892, 10190), (8152, 9865)]