886634020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{12149}}^1$

素因数の和:12288

約数の個数: 48

約数和(自身を含む): 1928934000

約数和(自身を除く): 1042299980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 3649, 7298, 12149, 14596, 18245, 24298, 36490, 48596, 60745, 72980, 121490, 242980, 498109, 996218, 1081261, 1992436, 2162522, 2490545, 4325044, 4981090, 5406305, 9962180, 10812610, 21625220, 44331701, 88663402, 177326804, 221658505, 443317010, 886634020]

約数ペア:

[(1, 886634020), (2, 443317010), (4, 221658505), (5, 177326804), (10, 88663402), (20, 44331701), (41, 21625220), (82, 10812610), (89, 9962180), (164, 5406305), (178, 4981090), (205, 4325044), (356, 2490545), (410, 2162522), (445, 1992436), (820, 1081261), (890, 996218), (1780, 498109), (3649, 242980), (7298, 121490), (12149, 72980), (14596, 60745), (18245, 48596), (24298, 36490)]