13219640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 35112960

約数和(自身を除く): 21893320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1523, 1736, 2170, 3046, 4340, 6092, 7615, 8680, 10661, 12184, 15230, 21322, 30460, 42644, 47213, 53305, 60920, 85288, 94426, 106610, 188852, 213220, 236065, 330491, 377704, 426440, 472130, 660982, 944260, 1321964, 1652455, 1888520, 2643928, 3304910, 6609820, 13219640]

約数ペア:

[(1, 13219640), (2, 6609820), (4, 3304910), (5, 2643928), (7, 1888520), (8, 1652455), (10, 1321964), (14, 944260), (20, 660982), (28, 472130), (31, 426440), (35, 377704), (40, 330491), (56, 236065), (62, 213220), (70, 188852), (124, 106610), (140, 94426), (155, 85288), (217, 60920), (248, 53305), (280, 47213), (310, 42644), (434, 30460), (620, 21322), (868, 15230), (1085, 12184), (1240, 10661), (1523, 8680), (1736, 7615), (2170, 6092), (3046, 4340)]