15425840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4703}}^1$

素因数の和:4757

約数の個数: 40

約数和(自身を含む): 36747648

約数和(自身を除く): 21321808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4703, 9406, 18812, 23515, 37624, 47030, 75248, 94060, 188120, 192823, 376240, 385646, 771292, 964115, 1542584, 1928230, 3085168, 3856460, 7712920, 15425840]

約数ペア:

[(1, 15425840), (2, 7712920), (4, 3856460), (5, 3085168), (8, 1928230), (10, 1542584), (16, 964115), (20, 771292), (40, 385646), (41, 376240), (80, 192823), (82, 188120), (164, 94060), (205, 75248), (328, 47030), (410, 37624), (656, 23515), (820, 18812), (1640, 9406), (3280, 4703)]