195920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 476160

約数和(自身を除く): 280240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 9796, 12245, 19592, 24490, 39184, 48980, 97960, 195920]

約数ペア:

[(1, 195920), (2, 97960), (4, 48980), (5, 39184), (8, 24490), (10, 19592), (16, 12245), (20, 9796), (31, 6320), (40, 4898), (62, 3160), (79, 2480), (80, 2449), (124, 1580), (155, 1264), (158, 1240), (248, 790), (310, 632), (316, 620), (395, 496)]