80471560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154753}}^1$

素因数の和:154777

約数の個数: 32

約数和(自身を含む): 194990040

約数和(自身を除く): 114518480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154753, 309506, 619012, 773765, 1238024, 1547530, 2011789, 3095060, 4023578, 6190120, 8047156, 10058945, 16094312, 20117890, 40235780, 80471560]

約数ペア:

[(1, 80471560), (2, 40235780), (4, 20117890), (5, 16094312), (8, 10058945), (10, 8047156), (13, 6190120), (20, 4023578), (26, 3095060), (40, 2011789), (52, 1547530), (65, 1238024), (104, 773765), (130, 619012), (260, 309506), (520, 154753)]