89175920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 217807488

約数和(自身を除く): 128631568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 94, 148, 185, 188, 235, 296, 370, 376, 470, 592, 641, 740, 752, 940, 1282, 1480, 1739, 1880, 2564, 2960, 3205, 3478, 3760, 5128, 6410, 6956, 8695, 10256, 12820, 13912, 17390, 23717, 25640, 27824, 30127, 34780, 47434, 51280, 60254, 69560, 94868, 118585, 120508, 139120, 150635, 189736, 237170, 241016, 301270, 379472, 474340, 482032, 602540, 948680, 1114699, 1205080, 1897360, 2229398, 2410160, 4458796, 5573495, 8917592, 11146990, 17835184, 22293980, 44587960, 89175920]

約数ペア:

[(1, 89175920), (2, 44587960), (4, 22293980), (5, 17835184), (8, 11146990), (10, 8917592), (16, 5573495), (20, 4458796), (37, 2410160), (40, 2229398), (47, 1897360), (74, 1205080), (80, 1114699), (94, 948680), (148, 602540), (185, 482032), (188, 474340), (235, 379472), (296, 301270), (370, 241016), (376, 237170), (470, 189736), (592, 150635), (641, 139120), (740, 120508), (752, 118585), (940, 94868), (1282, 69560), (1480, 60254), (1739, 51280), (1880, 47434), (2564, 34780), (2960, 30127), (3205, 27824), (3478, 25640), (3760, 23717), (5128, 17390), (6410, 13912), (6956, 12820), (8695, 10256)]