28031750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3665

約数の個数: 32

約数和(自身を含む): 54183168

約数和(自身を除く): 26151418

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 775, 1550, 3617, 3875, 7234, 7750, 18085, 36170, 90425, 112127, 180850, 224254, 452125, 560635, 904250, 1121270, 2803175, 5606350, 14015875, 28031750]

約数ペア:

[(1, 28031750), (2, 14015875), (5, 5606350), (10, 2803175), (25, 1121270), (31, 904250), (50, 560635), (62, 452125), (125, 224254), (155, 180850), (250, 112127), (310, 90425), (775, 36170), (1550, 18085), (3617, 7750), (3875, 7234)]