8165560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12155720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 383, 410, 520, 533, 766, 820, 1066, 1532, 1640, 1915, 2132, 2665, 3064, 3830, 4264, 4979, 5330, 7660, 9958, 10660, 15320, 15703, 19916, 21320, 24895, 31406, 39832, 49790, 62812, 78515, 99580, 125624, 157030, 199160, 204139, 314060, 408278, 628120, 816556, 1020695, 1633112, 2041390, 4082780, 8165560]

約数ペア:

[(1, 8165560), (2, 4082780), (4, 2041390), (5, 1633112), (8, 1020695), (10, 816556), (13, 628120), (20, 408278), (26, 314060), (40, 204139), (41, 199160), (52, 157030), (65, 125624), (82, 99580), (104, 78515), (130, 62812), (164, 49790), (205, 39832), (260, 31406), (328, 24895), (383, 21320), (410, 19916), (520, 15703), (533, 15320), (766, 10660), (820, 9958), (1066, 7660), (1532, 5330), (1640, 4979), (1915, 4264), (2132, 3830), (2665, 3064)]