9938240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2419

約数の個数: 56

約数和(自身を含む): 25496520

約数和(自身を除く): 15558280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 2389, 4160, 4778, 9556, 11945, 19112, 23890, 31057, 38224, 47780, 62114, 76448, 95560, 124228, 152896, 155285, 191120, 248456, 310570, 382240, 496912, 621140, 764480, 993824, 1242280, 1987648, 2484560, 4969120, 9938240]

約数ペア:

[(1, 9938240), (2, 4969120), (4, 2484560), (5, 1987648), (8, 1242280), (10, 993824), (13, 764480), (16, 621140), (20, 496912), (26, 382240), (32, 310570), (40, 248456), (52, 191120), (64, 155285), (65, 152896), (80, 124228), (104, 95560), (130, 76448), (160, 62114), (208, 47780), (260, 38224), (320, 31057), (416, 23890), (520, 19112), (832, 11945), (1040, 9556), (2080, 4778), (2389, 4160)]