2103452920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1696333}}^1$

素因数の和:1696375

約数の個数: 32

約数和(自身を含む): 4885441920

約数和(自身を除く): 2781989000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1696333, 3392666, 6785332, 8481665, 13570664, 16963330, 33926660, 52586323, 67853320, 105172646, 210345292, 262931615, 420690584, 525863230, 1051726460, 2103452920]

約数ペア:

[(1, 2103452920), (2, 1051726460), (4, 525863230), (5, 420690584), (8, 262931615), (10, 210345292), (20, 105172646), (31, 67853320), (40, 52586323), (62, 33926660), (124, 16963330), (155, 13570664), (248, 8481665), (310, 6785332), (620, 3392666), (1240, 1696333)]