29827460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 68266800

約数和(自身を除く): 38439340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1289, 1780, 2314, 2578, 4628, 5156, 5785, 6445, 11570, 12890, 16757, 23140, 25780, 33514, 67028, 83785, 114721, 167570, 229442, 335140, 458884, 573605, 1147210, 1491373, 2294420, 2982746, 5965492, 7456865, 14913730, 29827460]

約数ペア:

[(1, 29827460), (2, 14913730), (4, 7456865), (5, 5965492), (10, 2982746), (13, 2294420), (20, 1491373), (26, 1147210), (52, 573605), (65, 458884), (89, 335140), (130, 229442), (178, 167570), (260, 114721), (356, 83785), (445, 67028), (890, 33514), (1157, 25780), (1289, 23140), (1780, 16757), (2314, 12890), (2578, 11570), (4628, 6445), (5156, 5785)]