726741040

素因数分解:

$2^4\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{4243}}^1$

素因数の和:6397

約数の個数: 40

約数和(自身を含む): 1690860528

約数和(自身を除く): 964119488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2141, 4243, 4282, 8486, 8564, 10705, 16972, 17128, 21215, 21410, 33944, 34256, 42430, 42820, 67888, 84860, 85640, 169720, 171280, 339440, 9084263, 18168526, 36337052, 45421315, 72674104, 90842630, 145348208, 181685260, 363370520, 726741040]

約数ペア:

[(1, 726741040), (2, 363370520), (4, 181685260), (5, 145348208), (8, 90842630), (10, 72674104), (16, 45421315), (20, 36337052), (40, 18168526), (80, 9084263), (2141, 339440), (4243, 171280), (4282, 169720), (8486, 85640), (8564, 84860), (10705, 67888), (16972, 42820), (17128, 42430), (21215, 34256), (21410, 33944)]