156800540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31741}}^1$

素因数の和:31782

約数の個数: 48

約数和(自身を含む): 373285920

約数和(自身を除く): 216485380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 31741, 63482, 126964, 158705, 317410, 412633, 603079, 634820, 825266, 1206158, 1650532, 2063165, 2412316, 3015395, 4126330, 6030790, 7840027, 8252660, 12061580, 15680054, 31360108, 39200135, 78400270, 156800540]

約数ペア:

[(1, 156800540), (2, 78400270), (4, 39200135), (5, 31360108), (10, 15680054), (13, 12061580), (19, 8252660), (20, 7840027), (26, 6030790), (38, 4126330), (52, 3015395), (65, 2412316), (76, 2063165), (95, 1650532), (130, 1206158), (190, 825266), (247, 634820), (260, 603079), (380, 412633), (494, 317410), (988, 158705), (1235, 126964), (2470, 63482), (4940, 31741)]