2021639346520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1913}}^1\times {\mathrm{1554103}}^1$

素因数の和:1556044

約数の個数: 64

約数和(自身を含む): 4818779190720

約数和(自身を除く): 2797139844200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1913, 3826, 7652, 9565, 15304, 19130, 32521, 38260, 65042, 76520, 130084, 162605, 260168, 325210, 650420, 1300840, 1554103, 3108206, 6216412, 7770515, 12432824, 15541030, 26419751, 31082060, 52839502, 62164120, 105679004, 132098755, 211358008, 264197510, 528395020, 1056790040, 2972999039, 5945998078, 11891996156, 14864995195, 23783992312, 29729990390, 50540983663, 59459980780, 101081967326, 118919961560, 202163934652, 252704918315, 404327869304, 505409836630, 1010819673260, 2021639346520]

約数ペア:

[(1, 2021639346520), (2, 1010819673260), (4, 505409836630), (5, 404327869304), (8, 252704918315), (10, 202163934652), (17, 118919961560), (20, 101081967326), (34, 59459980780), (40, 50540983663), (68, 29729990390), (85, 23783992312), (136, 14864995195), (170, 11891996156), (340, 5945998078), (680, 2972999039), (1913, 1056790040), (3826, 528395020), (7652, 264197510), (9565, 211358008), (15304, 132098755), (19130, 105679004), (32521, 62164120), (38260, 52839502), (65042, 31082060), (76520, 26419751), (130084, 15541030), (162605, 12432824), (260168, 7770515), (325210, 6216412), (650420, 3108206), (1300840, 1554103)]