12917580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16561}}^1$

素因数の和:16586

約数の個数: 48

約数和(自身を含む): 38953824

約数和(自身を除く): 26036244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16561, 33122, 49683, 66244, 82805, 99366, 165610, 198732, 215293, 248415, 331220, 430586, 496830, 645879, 861172, 993660, 1076465, 1291758, 2152930, 2583516, 3229395, 4305860, 6458790, 12917580]

約数ペア:

[(1, 12917580), (2, 6458790), (3, 4305860), (4, 3229395), (5, 2583516), (6, 2152930), (10, 1291758), (12, 1076465), (13, 993660), (15, 861172), (20, 645879), (26, 496830), (30, 430586), (39, 331220), (52, 248415), (60, 215293), (65, 198732), (78, 165610), (130, 99366), (156, 82805), (195, 66244), (260, 49683), (390, 33122), (780, 16561)]