42129140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 91869120

約数和(自身を除く): 49739980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 619, 820, 830, 1238, 1660, 2476, 3095, 3403, 6190, 6806, 12380, 13612, 17015, 25379, 34030, 50758, 51377, 68060, 101516, 102754, 126895, 205508, 253790, 256885, 507580, 513770, 1027540, 2106457, 4212914, 8425828, 10532285, 21064570, 42129140]

約数ペア:

[(1, 42129140), (2, 21064570), (4, 10532285), (5, 8425828), (10, 4212914), (20, 2106457), (41, 1027540), (82, 513770), (83, 507580), (164, 256885), (166, 253790), (205, 205508), (332, 126895), (410, 102754), (415, 101516), (619, 68060), (820, 51377), (830, 50758), (1238, 34030), (1660, 25379), (2476, 17015), (3095, 13612), (3403, 12380), (6190, 6806)]