199597520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{24223}}^1$

素因数の和:24339

約数の個数: 40

約数和(自身を含む): 468589056

約数和(自身を除く): 268991536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 24223, 48446, 96892, 121115, 193784, 242230, 387568, 484460, 968920, 1937840, 2494969, 4989938, 9979876, 12474845, 19959752, 24949690, 39919504, 49899380, 99798760, 199597520]

約数ペア:

[(1, 199597520), (2, 99798760), (4, 49899380), (5, 39919504), (8, 24949690), (10, 19959752), (16, 12474845), (20, 9979876), (40, 4989938), (80, 2494969), (103, 1937840), (206, 968920), (412, 484460), (515, 387568), (824, 242230), (1030, 193784), (1648, 121115), (2060, 96892), (4120, 48446), (8240, 24223)]