18298616800

素因数分解:

$2^5\times 5^2\times {\mathrm{991}}^1\times {\mathrm{23081}}^1$

素因数の和:24092

約数の個数: 72

約数和(自身を含む): 44718512832

約数和(自身を除く): 26419896032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 991, 1982, 3964, 4955, 7928, 9910, 15856, 19820, 23081, 24775, 31712, 39640, 46162, 49550, 79280, 92324, 99100, 115405, 158560, 184648, 198200, 230810, 369296, 396400, 461620, 577025, 738592, 792800, 923240, 1154050, 1846480, 2308100, 3692960, 4616200, 9232400, 18464800, 22873271, 45746542, 91493084, 114366355, 182986168, 228732710, 365972336, 457465420, 571831775, 731944672, 914930840, 1143663550, 1829861680, 2287327100, 3659723360, 4574654200, 9149308400, 18298616800]

約数ペア:

[(1, 18298616800), (2, 9149308400), (4, 4574654200), (5, 3659723360), (8, 2287327100), (10, 1829861680), (16, 1143663550), (20, 914930840), (25, 731944672), (32, 571831775), (40, 457465420), (50, 365972336), (80, 228732710), (100, 182986168), (160, 114366355), (200, 91493084), (400, 45746542), (800, 22873271), (991, 18464800), (1982, 9232400), (3964, 4616200), (4955, 3692960), (7928, 2308100), (9910, 1846480), (15856, 1154050), (19820, 923240), (23081, 792800), (24775, 738592), (31712, 577025), (39640, 461620), (46162, 396400), (49550, 369296), (79280, 230810), (92324, 198200), (99100, 184648), (115405, 158560)]