15820880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11633}}^1$

素因数の和:11663

約数の個数: 40

約数和(自身を含む): 38950632

約数和(自身を除く): 23129752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11633, 23266, 46532, 58165, 93064, 116330, 186128, 197761, 232660, 395522, 465320, 791044, 930640, 988805, 1582088, 1977610, 3164176, 3955220, 7910440, 15820880]

約数ペア:

[(1, 15820880), (2, 7910440), (4, 3955220), (5, 3164176), (8, 1977610), (10, 1582088), (16, 988805), (17, 930640), (20, 791044), (34, 465320), (40, 395522), (68, 232660), (80, 197761), (85, 186128), (136, 116330), (170, 93064), (272, 58165), (340, 46532), (680, 23266), (1360, 11633)]