100777520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66301}}^1$

素因数の和:66333

約数の個数: 40

約数和(自身を含む): 246643440

約数和(自身を除く): 145865920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 66301, 132602, 265204, 331505, 530408, 663010, 1060816, 1259719, 1326020, 2519438, 2652040, 5038876, 5304080, 6298595, 10077752, 12597190, 20155504, 25194380, 50388760, 100777520]

約数ペア:

[(1, 100777520), (2, 50388760), (4, 25194380), (5, 20155504), (8, 12597190), (10, 10077752), (16, 6298595), (19, 5304080), (20, 5038876), (38, 2652040), (40, 2519438), (76, 1326020), (80, 1259719), (95, 1060816), (152, 663010), (190, 530408), (304, 331505), (380, 265204), (760, 132602), (1520, 66301)]