4082780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 9483264

約数和(自身を除く): 5400484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 383, 410, 533, 766, 820, 1066, 1532, 1915, 2132, 2665, 3830, 4979, 5330, 7660, 9958, 10660, 15703, 19916, 24895, 31406, 49790, 62812, 78515, 99580, 157030, 204139, 314060, 408278, 816556, 1020695, 2041390, 4082780]

約数ペア:

[(1, 4082780), (2, 2041390), (4, 1020695), (5, 816556), (10, 408278), (13, 314060), (20, 204139), (26, 157030), (41, 99580), (52, 78515), (65, 62812), (82, 49790), (130, 31406), (164, 24895), (205, 19916), (260, 15703), (383, 10660), (410, 9958), (533, 7660), (766, 5330), (820, 4979), (1066, 3830), (1532, 2665), (1915, 2132)]