42013520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12809}}^1$

素因数の和:12863

約数の個数: 40

約数和(自身を含む): 100071720

約数和(自身を除く): 58058200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12809, 25618, 51236, 64045, 102472, 128090, 204944, 256180, 512360, 525169, 1024720, 1050338, 2100676, 2625845, 4201352, 5251690, 8402704, 10503380, 21006760, 42013520]

約数ペア:

[(1, 42013520), (2, 21006760), (4, 10503380), (5, 8402704), (8, 5251690), (10, 4201352), (16, 2625845), (20, 2100676), (40, 1050338), (41, 1024720), (80, 525169), (82, 512360), (164, 256180), (205, 204944), (328, 128090), (410, 102472), (656, 64045), (820, 51236), (1640, 25618), (3280, 12809)]