12816020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3000

約数の個数: 48

約数和(自身を含む): 31761408

約数和(自身を除く): 18945388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2953, 4340, 5906, 11812, 14765, 20671, 29530, 41342, 59060, 82684, 91543, 103355, 183086, 206710, 366172, 413420, 457715, 640801, 915430, 1281602, 1830860, 2563204, 3204005, 6408010, 12816020]

約数ペア:

[(1, 12816020), (2, 6408010), (4, 3204005), (5, 2563204), (7, 1830860), (10, 1281602), (14, 915430), (20, 640801), (28, 457715), (31, 413420), (35, 366172), (62, 206710), (70, 183086), (124, 103355), (140, 91543), (155, 82684), (217, 59060), (310, 41342), (434, 29530), (620, 20671), (868, 14765), (1085, 11812), (2170, 5906), (2953, 4340)]