51223160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 120441600

約数和(自身を除く): 69218440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 409, 505, 620, 808, 818, 1010, 1240, 1636, 2020, 2045, 3131, 3272, 4040, 4090, 6262, 8180, 12524, 12679, 15655, 16360, 25048, 25358, 31310, 41309, 50716, 62620, 63395, 82618, 101432, 125240, 126790, 165236, 206545, 253580, 330472, 413090, 507160, 826180, 1280579, 1652360, 2561158, 5122316, 6402895, 10244632, 12805790, 25611580, 51223160]

約数ペア:

[(1, 51223160), (2, 25611580), (4, 12805790), (5, 10244632), (8, 6402895), (10, 5122316), (20, 2561158), (31, 1652360), (40, 1280579), (62, 826180), (101, 507160), (124, 413090), (155, 330472), (202, 253580), (248, 206545), (310, 165236), (404, 126790), (409, 125240), (505, 101432), (620, 82618), (808, 63395), (818, 62620), (1010, 50716), (1240, 41309), (1636, 31310), (2020, 25358), (2045, 25048), (3131, 16360), (3272, 15655), (4040, 12679), (4090, 12524), (6262, 8180)]