31918720

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 77828040

約数和(自身を除く): 45909320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 941, 1060, 1696, 1882, 2120, 3392, 3764, 4240, 4705, 6784, 7528, 8480, 9410, 15056, 16960, 18820, 30112, 33920, 37640, 49873, 60224, 75280, 99746, 120448, 150560, 199492, 249365, 301120, 398984, 498730, 602240, 797968, 997460, 1595936, 1994920, 3191872, 3989840, 6383744, 7979680, 15959360, 31918720]

約数ペア:

[(1, 31918720), (2, 15959360), (4, 7979680), (5, 6383744), (8, 3989840), (10, 3191872), (16, 1994920), (20, 1595936), (32, 997460), (40, 797968), (53, 602240), (64, 498730), (80, 398984), (106, 301120), (128, 249365), (160, 199492), (212, 150560), (265, 120448), (320, 99746), (424, 75280), (530, 60224), (640, 49873), (848, 37640), (941, 33920), (1060, 30112), (1696, 18820), (1882, 16960), (2120, 15056), (3392, 9410), (3764, 8480), (4240, 7528), (4705, 6784)]