2081994080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{765439}}^1$

素因数の和:765471

約数の個数: 48

約数和(自身を含む): 5208053760

約数和(自身を除く): 3126059680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 765439, 1530878, 3061756, 3827195, 6123512, 7654390, 12247024, 13012463, 15308780, 24494048, 26024926, 30617560, 52049852, 61235120, 65062315, 104099704, 122470240, 130124630, 208199408, 260249260, 416398816, 520498520, 1040997040, 2081994080]

約数ペア:

[(1, 2081994080), (2, 1040997040), (4, 520498520), (5, 416398816), (8, 260249260), (10, 208199408), (16, 130124630), (17, 122470240), (20, 104099704), (32, 65062315), (34, 61235120), (40, 52049852), (68, 30617560), (80, 26024926), (85, 24494048), (136, 15308780), (160, 13012463), (170, 12247024), (272, 7654390), (340, 6123512), (544, 3827195), (680, 3061756), (1360, 1530878), (2720, 765439)]