42037480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 97977600

約数和(自身を除く): 55940120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 251, 265, 316, 395, 424, 502, 530, 632, 790, 1004, 1060, 1255, 1580, 2008, 2120, 2510, 3160, 4187, 5020, 8374, 10040, 13303, 16748, 19829, 20935, 26606, 33496, 39658, 41870, 53212, 66515, 79316, 83740, 99145, 106424, 133030, 158632, 167480, 198290, 266060, 396580, 532120, 793160, 1050937, 2101874, 4203748, 5254685, 8407496, 10509370, 21018740, 42037480]

約数ペア:

[(1, 42037480), (2, 21018740), (4, 10509370), (5, 8407496), (8, 5254685), (10, 4203748), (20, 2101874), (40, 1050937), (53, 793160), (79, 532120), (106, 396580), (158, 266060), (212, 198290), (251, 167480), (265, 158632), (316, 133030), (395, 106424), (424, 99145), (502, 83740), (530, 79316), (632, 66515), (790, 53212), (1004, 41870), (1060, 39658), (1255, 33496), (1580, 26606), (2008, 20935), (2120, 19829), (2510, 16748), (3160, 13303), (4187, 10040), (5020, 8374)]