156960826840

素因数分解:

$2^3\times 5^1\times {\mathrm{209203}}^1\times {\mathrm{18757}}^1$

素因数の和:227971

約数の個数: 32

約数和(自身を含む): 353182376880

約数和(自身を除く): 196221550040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18757, 37514, 75028, 93785, 150056, 187570, 209203, 375140, 418406, 750280, 836812, 1046015, 1673624, 2092030, 4184060, 8368120, 3924020671, 7848041342, 15696082684, 19620103355, 31392165368, 39240206710, 78480413420, 156960826840]

約数ペア:

[(1, 156960826840), (2, 78480413420), (4, 39240206710), (5, 31392165368), (8, 19620103355), (10, 15696082684), (20, 7848041342), (40, 3924020671), (18757, 8368120), (37514, 4184060), (75028, 2092030), (93785, 1673624), (150056, 1046015), (187570, 836812), (209203, 750280), (375140, 418406)]