80235680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1102

約数の個数: 96

約数和(自身を含む): 219905280

約数和(自身を除く): 139669600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1009, 1120, 1136, 1420, 1988, 2018, 2272, 2485, 2840, 3976, 4036, 4970, 5045, 5680, 7063, 7952, 8072, 9940, 10090, 11360, 14126, 15904, 16144, 19880, 20180, 28252, 32288, 35315, 39760, 40360, 56504, 70630, 71639, 79520, 80720, 113008, 141260, 143278, 161440, 226016, 282520, 286556, 358195, 501473, 565040, 573112, 716390, 1002946, 1130080, 1146224, 1432780, 2005892, 2292448, 2507365, 2865560, 4011784, 5014730, 5731120, 8023568, 10029460, 11462240, 16047136, 20058920, 40117840, 80235680]

約数ペア:

[(1, 80235680), (2, 40117840), (4, 20058920), (5, 16047136), (7, 11462240), (8, 10029460), (10, 8023568), (14, 5731120), (16, 5014730), (20, 4011784), (28, 2865560), (32, 2507365), (35, 2292448), (40, 2005892), (56, 1432780), (70, 1146224), (71, 1130080), (80, 1002946), (112, 716390), (140, 573112), (142, 565040), (160, 501473), (224, 358195), (280, 286556), (284, 282520), (355, 226016), (497, 161440), (560, 143278), (568, 141260), (710, 113008), (994, 80720), (1009, 79520), (1120, 71639), (1136, 70630), (1420, 56504), (1988, 40360), (2018, 39760), (2272, 35315), (2485, 32288), (2840, 28252), (3976, 20180), (4036, 19880), (4970, 16144), (5045, 15904), (5680, 14126), (7063, 11360), (7952, 10090), (8072, 9940)]