408020320

素因数分解:

$2^5\times 5^1\times {\mathrm{773}}^1\times {\mathrm{3299}}^1$

素因数の和:4087

約数の個数: 48

約数和(自身を含む): 965487600

約数和(自身を除く): 557467280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 773, 1546, 3092, 3299, 3865, 6184, 6598, 7730, 12368, 13196, 15460, 16495, 24736, 26392, 30920, 32990, 52784, 61840, 65980, 105568, 123680, 131960, 263920, 527840, 2550127, 5100254, 10200508, 12750635, 20401016, 25501270, 40802032, 51002540, 81604064, 102005080, 204010160, 408020320]

約数ペア:

[(1, 408020320), (2, 204010160), (4, 102005080), (5, 81604064), (8, 51002540), (10, 40802032), (16, 25501270), (20, 20401016), (32, 12750635), (40, 10200508), (80, 5100254), (160, 2550127), (773, 527840), (1546, 263920), (3092, 131960), (3299, 123680), (3865, 105568), (6184, 65980), (6598, 61840), (7730, 52784), (12368, 32990), (13196, 30920), (15460, 26392), (16495, 24736)]