418734080

素因数分解:

$2^{13}\times 5^1\times {\mathrm{10223}}^1$

素因数の和:10254

約数の個数: 56

約数和(自身を含む): 1004998752

約数和(自身を除く): 586264672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10223, 10240, 20446, 20480, 40892, 40960, 51115, 81784, 102230, 163568, 204460, 327136, 408920, 654272, 817840, 1308544, 1635680, 2617088, 3271360, 5234176, 6542720, 10468352, 13085440, 20936704, 26170880, 41873408, 52341760, 83746816, 104683520, 209367040, 418734080]

約数ペア:

[(1, 418734080), (2, 209367040), (4, 104683520), (5, 83746816), (8, 52341760), (10, 41873408), (16, 26170880), (20, 20936704), (32, 13085440), (40, 10468352), (64, 6542720), (80, 5234176), (128, 3271360), (160, 2617088), (256, 1635680), (320, 1308544), (512, 817840), (640, 654272), (1024, 408920), (1280, 327136), (2048, 204460), (2560, 163568), (4096, 102230), (5120, 81784), (8192, 51115), (10223, 40960), (10240, 40892), (20446, 20480)]