1087840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 2773008

約数和(自身を除く): 1685168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 523, 1040, 1046, 2080, 2092, 2615, 4184, 5230, 6799, 8368, 10460, 13598, 16736, 20920, 27196, 33995, 41840, 54392, 67990, 83680, 108784, 135980, 217568, 271960, 543920, 1087840]

約数ペア:

[(1, 1087840), (2, 543920), (4, 271960), (5, 217568), (8, 135980), (10, 108784), (13, 83680), (16, 67990), (20, 54392), (26, 41840), (32, 33995), (40, 27196), (52, 20920), (65, 16736), (80, 13598), (104, 10460), (130, 8368), (160, 6799), (208, 5230), (260, 4184), (416, 2615), (520, 2092), (523, 2080), (1040, 1046)]