20186170100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{12671}}^1$

素因数の和:12953

約数の個数: 72

約数和(自身を含む): 44547148800

約数和(自身を除く): 24360978700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 179, 356, 358, 445, 716, 890, 895, 1780, 1790, 2225, 3580, 4450, 4475, 8900, 8950, 12671, 15931, 17900, 25342, 31862, 50684, 63355, 63724, 79655, 126710, 159310, 253420, 316775, 318620, 398275, 633550, 796550, 1127719, 1267100, 1593100, 2255438, 2268109, 4510876, 4536218, 5638595, 9072436, 11277190, 11340545, 22554380, 22681090, 28192975, 45362180, 56385950, 56702725, 112771900, 113405450, 201861701, 226810900, 403723402, 807446804, 1009308505, 2018617010, 4037234020, 5046542525, 10093085050, 20186170100]

約数ペア:

[(1, 20186170100), (2, 10093085050), (4, 5046542525), (5, 4037234020), (10, 2018617010), (20, 1009308505), (25, 807446804), (50, 403723402), (89, 226810900), (100, 201861701), (178, 113405450), (179, 112771900), (356, 56702725), (358, 56385950), (445, 45362180), (716, 28192975), (890, 22681090), (895, 22554380), (1780, 11340545), (1790, 11277190), (2225, 9072436), (3580, 5638595), (4450, 4536218), (4475, 4510876), (8900, 2268109), (8950, 2255438), (12671, 1593100), (15931, 1267100), (17900, 1127719), (25342, 796550), (31862, 633550), (50684, 398275), (63355, 318620), (63724, 316775), (79655, 253420), (126710, 159310)]