25690160

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 62433504

約数和(自身を除く): 36743344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 73, 80, 83, 106, 146, 166, 212, 265, 292, 332, 365, 415, 424, 530, 584, 664, 730, 830, 848, 1060, 1168, 1328, 1460, 1660, 2120, 2920, 3320, 3869, 4240, 4399, 5840, 6059, 6640, 7738, 8798, 12118, 15476, 17596, 19345, 21995, 24236, 30295, 30952, 35192, 38690, 43990, 48472, 60590, 61904, 70384, 77380, 87980, 96944, 121180, 154760, 175960, 242360, 309520, 321127, 351920, 484720, 642254, 1284508, 1605635, 2569016, 3211270, 5138032, 6422540, 12845080, 25690160]

約数ペア:

[(1, 25690160), (2, 12845080), (4, 6422540), (5, 5138032), (8, 3211270), (10, 2569016), (16, 1605635), (20, 1284508), (40, 642254), (53, 484720), (73, 351920), (80, 321127), (83, 309520), (106, 242360), (146, 175960), (166, 154760), (212, 121180), (265, 96944), (292, 87980), (332, 77380), (365, 70384), (415, 61904), (424, 60590), (530, 48472), (584, 43990), (664, 38690), (730, 35192), (830, 30952), (848, 30295), (1060, 24236), (1168, 21995), (1328, 19345), (1460, 17596), (1660, 15476), (2120, 12118), (2920, 8798), (3320, 7738), (3869, 6640), (4240, 6059), (4399, 5840)]