129372920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1033}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 303747840

約数和(自身を除く): 174374920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 808, 1010, 1033, 1240, 2020, 2066, 3131, 4040, 4132, 5165, 6262, 8264, 10330, 12524, 15655, 20660, 25048, 31310, 32023, 41320, 62620, 64046, 104333, 125240, 128092, 160115, 208666, 256184, 320230, 417332, 521665, 640460, 834664, 1043330, 1280920, 2086660, 3234323, 4173320, 6468646, 12937292, 16171615, 25874584, 32343230, 64686460, 129372920]

約数ペア:

[(1, 129372920), (2, 64686460), (4, 32343230), (5, 25874584), (8, 16171615), (10, 12937292), (20, 6468646), (31, 4173320), (40, 3234323), (62, 2086660), (101, 1280920), (124, 1043330), (155, 834664), (202, 640460), (248, 521665), (310, 417332), (404, 320230), (505, 256184), (620, 208666), (808, 160115), (1010, 128092), (1033, 125240), (1240, 104333), (2020, 64046), (2066, 62620), (3131, 41320), (4040, 32023), (4132, 31310), (5165, 25048), (6262, 20660), (8264, 15655), (10330, 12524)]