16424420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 19863580

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 449, 590, 620, 898, 1180, 1796, 1829, 2245, 3658, 4490, 7316, 8980, 9145, 13919, 18290, 26491, 27838, 36580, 52982, 55676, 69595, 105964, 132455, 139190, 264910, 278380, 529820, 821221, 1642442, 3284884, 4106105, 8212210, 16424420]

約数ペア:

[(1, 16424420), (2, 8212210), (4, 4106105), (5, 3284884), (10, 1642442), (20, 821221), (31, 529820), (59, 278380), (62, 264910), (118, 139190), (124, 132455), (155, 105964), (236, 69595), (295, 55676), (310, 52982), (449, 36580), (590, 27838), (620, 26491), (898, 18290), (1180, 13919), (1796, 9145), (1829, 8980), (2245, 7316), (3658, 4490)]