28690090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20063}}^1$

素因数の和:20094

約数の個数: 32

約数和(自身を含む): 60673536

約数和(自身を除く): 31983446

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20063, 40126, 100315, 200630, 220693, 260819, 441386, 521638, 1103465, 1304095, 2206930, 2608190, 2869009, 5738018, 14345045, 28690090]

約数ペア:

[(1, 28690090), (2, 14345045), (5, 5738018), (10, 2869009), (11, 2608190), (13, 2206930), (22, 1304095), (26, 1103465), (55, 521638), (65, 441386), (110, 260819), (130, 220693), (143, 200630), (286, 100315), (715, 40126), (1430, 20063)]