28948854520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7026421}}^1$

素因数の和:7026535

約数の個数: 32

約数和(自身を含む): 65767309920

約数和(自身を除く): 36818455400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7026421, 14052842, 28105684, 35132105, 56211368, 70264210, 140528420, 281056840, 723721363, 1447442726, 2894885452, 3618606815, 5789770904, 7237213630, 14474427260, 28948854520]

約数ペア:

[(1, 28948854520), (2, 14474427260), (4, 7237213630), (5, 5789770904), (8, 3618606815), (10, 2894885452), (20, 1447442726), (40, 723721363), (103, 281056840), (206, 140528420), (412, 70264210), (515, 56211368), (824, 35132105), (1030, 28105684), (2060, 14052842), (4120, 7026421)]