79914760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 192067200

約数和(自身を除く): 112152440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1481, 2698, 2840, 2962, 5396, 5924, 6745, 7405, 10792, 11848, 13490, 14810, 26980, 28139, 29620, 53960, 56278, 59240, 105151, 112556, 140695, 210302, 225112, 281390, 420604, 525755, 562780, 841208, 1051510, 1125560, 1997869, 2103020, 3995738, 4206040, 7991476, 9989345, 15982952, 19978690, 39957380, 79914760]

約数ペア:

[(1, 79914760), (2, 39957380), (4, 19978690), (5, 15982952), (8, 9989345), (10, 7991476), (19, 4206040), (20, 3995738), (38, 2103020), (40, 1997869), (71, 1125560), (76, 1051510), (95, 841208), (142, 562780), (152, 525755), (190, 420604), (284, 281390), (355, 225112), (380, 210302), (568, 140695), (710, 112556), (760, 105151), (1349, 59240), (1420, 56278), (1481, 53960), (2698, 29620), (2840, 28139), (2962, 26980), (5396, 14810), (5924, 13490), (6745, 11848), (7405, 10792)]