40106920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143239}}^1$

素因数の和:143257

約数の個数: 32

約数和(自身を含む): 103132800

約数和(自身を除く): 63025880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143239, 286478, 572956, 716195, 1002673, 1145912, 1432390, 2005346, 2864780, 4010692, 5013365, 5729560, 8021384, 10026730, 20053460, 40106920]

約数ペア:

[(1, 40106920), (2, 20053460), (4, 10026730), (5, 8021384), (7, 5729560), (8, 5013365), (10, 4010692), (14, 2864780), (20, 2005346), (28, 1432390), (35, 1145912), (40, 1002673), (56, 716195), (70, 572956), (140, 286478), (280, 143239)]