195867920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78979}}^1$

素因数の和:79023

約数の個数: 40

約数和(自身を含む): 470088960

約数和(自身を除く): 274221040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 78979, 157958, 315916, 394895, 631832, 789790, 1263664, 1579580, 2448349, 3159160, 4896698, 6318320, 9793396, 12241745, 19586792, 24483490, 39173584, 48966980, 97933960, 195867920]

約数ペア:

[(1, 195867920), (2, 97933960), (4, 48966980), (5, 39173584), (8, 24483490), (10, 19586792), (16, 12241745), (20, 9793396), (31, 6318320), (40, 4896698), (62, 3159160), (80, 2448349), (124, 1579580), (155, 1263664), (248, 789790), (310, 631832), (496, 394895), (620, 315916), (1240, 157958), (2480, 78979)]