16894280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 41776560

約数和(自身を除く): 24882280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 613, 689, 1060, 1226, 1378, 2120, 2452, 2756, 3065, 3445, 4904, 5512, 6130, 6890, 7969, 12260, 13780, 15938, 24520, 27560, 31876, 32489, 39845, 63752, 64978, 79690, 129956, 159380, 162445, 259912, 318760, 324890, 422357, 649780, 844714, 1299560, 1689428, 2111785, 3378856, 4223570, 8447140, 16894280]

約数ペア:

[(1, 16894280), (2, 8447140), (4, 4223570), (5, 3378856), (8, 2111785), (10, 1689428), (13, 1299560), (20, 844714), (26, 649780), (40, 422357), (52, 324890), (53, 318760), (65, 259912), (104, 162445), (106, 159380), (130, 129956), (212, 79690), (260, 64978), (265, 63752), (424, 39845), (520, 32489), (530, 31876), (613, 27560), (689, 24520), (1060, 15938), (1226, 13780), (1378, 12260), (2120, 7969), (2452, 6890), (2756, 6130), (3065, 5512), (3445, 4904)]