13707920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 33016116

約数和(自身を除く): 19308196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 61, 80, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 848, 976, 1060, 1220, 2120, 2440, 2809, 3233, 4240, 4880, 5618, 6466, 11236, 12932, 14045, 16165, 22472, 25864, 28090, 32330, 44944, 51728, 56180, 64660, 112360, 129320, 171349, 224720, 258640, 342698, 685396, 856745, 1370792, 1713490, 2741584, 3426980, 6853960, 13707920]

約数ペア:

[(1, 13707920), (2, 6853960), (4, 3426980), (5, 2741584), (8, 1713490), (10, 1370792), (16, 856745), (20, 685396), (40, 342698), (53, 258640), (61, 224720), (80, 171349), (106, 129320), (122, 112360), (212, 64660), (244, 56180), (265, 51728), (305, 44944), (424, 32330), (488, 28090), (530, 25864), (610, 22472), (848, 16165), (976, 14045), (1060, 12932), (1220, 11236), (2120, 6466), (2440, 5618), (2809, 4880), (3233, 4240)]