203475460

素因数分解:

$2^2\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{4007}}^1$

素因数の和:6555

約数の個数: 24

約数和(自身を含む): 427573440

約数和(自身を除く): 224097980

約数列:

[1, 2, 4, 5, 10, 20, 2539, 4007, 5078, 8014, 10156, 12695, 16028, 20035, 25390, 40070, 50780, 80140, 10173773, 20347546, 40695092, 50868865, 101737730, 203475460]

約数ペア:

[(1, 203475460), (2, 101737730), (4, 50868865), (5, 40695092), (10, 20347546), (20, 10173773), (2539, 80140), (4007, 50780), (5078, 40070), (8014, 25390), (10156, 20035), (12695, 16028)]