65391160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 156240000

約数和(自身を除く): 90848840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 619, 695, 760, 1112, 1238, 1390, 2476, 2641, 2780, 3095, 4952, 5282, 5560, 6190, 10564, 11761, 12380, 13205, 21128, 23522, 24760, 26410, 47044, 52820, 58805, 86041, 94088, 105640, 117610, 172082, 235220, 344164, 430205, 470440, 688328, 860410, 1634779, 1720820, 3269558, 3441640, 6539116, 8173895, 13078232, 16347790, 32695580, 65391160]

約数ペア:

[(1, 65391160), (2, 32695580), (4, 16347790), (5, 13078232), (8, 8173895), (10, 6539116), (19, 3441640), (20, 3269558), (38, 1720820), (40, 1634779), (76, 860410), (95, 688328), (139, 470440), (152, 430205), (190, 344164), (278, 235220), (380, 172082), (556, 117610), (619, 105640), (695, 94088), (760, 86041), (1112, 58805), (1238, 52820), (1390, 47044), (2476, 26410), (2641, 24760), (2780, 23522), (3095, 21128), (4952, 13205), (5282, 12380), (5560, 11761), (6190, 10564)]