71971120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69203}}^1$

素因数の和:69229

約数の個数: 40

約数和(自身を含む): 180207216

約数和(自身を除く): 108236096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69203, 138406, 276812, 346015, 553624, 692030, 899639, 1107248, 1384060, 1799278, 2768120, 3598556, 4498195, 5536240, 7197112, 8996390, 14394224, 17992780, 35985560, 71971120]

約数ペア:

[(1, 71971120), (2, 35985560), (4, 17992780), (5, 14394224), (8, 8996390), (10, 7197112), (13, 5536240), (16, 4498195), (20, 3598556), (26, 2768120), (40, 1799278), (52, 1384060), (65, 1107248), (80, 899639), (104, 692030), (130, 553624), (208, 346015), (260, 276812), (520, 138406), (1040, 69203)]