42217840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{75389}}^1$

素因数の和:75409

約数の個数: 40

約数和(自身を含む): 112180320

約数和(自身を除く): 69962480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 75389, 150778, 301556, 376945, 527723, 603112, 753890, 1055446, 1206224, 1507780, 2110892, 2638615, 3015560, 4221784, 5277230, 6031120, 8443568, 10554460, 21108920, 42217840]

約数ペア:

[(1, 42217840), (2, 21108920), (4, 10554460), (5, 8443568), (7, 6031120), (8, 5277230), (10, 4221784), (14, 3015560), (16, 2638615), (20, 2110892), (28, 1507780), (35, 1206224), (40, 1055446), (56, 753890), (70, 603112), (80, 527723), (112, 376945), (140, 301556), (280, 150778), (560, 75389)]