8018920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 22216320

約数和(自身を除く): 14197400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2203, 3640, 4406, 8812, 11015, 15421, 17624, 22030, 28639, 30842, 44060, 57278, 61684, 77105, 88120, 114556, 123368, 143195, 154210, 200473, 229112, 286390, 308420, 400946, 572780, 616840, 801892, 1002365, 1145560, 1603784, 2004730, 4009460, 8018920]

約数ペア:

[(1, 8018920), (2, 4009460), (4, 2004730), (5, 1603784), (7, 1145560), (8, 1002365), (10, 801892), (13, 616840), (14, 572780), (20, 400946), (26, 308420), (28, 286390), (35, 229112), (40, 200473), (52, 154210), (56, 143195), (65, 123368), (70, 114556), (91, 88120), (104, 77105), (130, 61684), (140, 57278), (182, 44060), (260, 30842), (280, 28639), (364, 22030), (455, 17624), (520, 15421), (728, 11015), (910, 8812), (1820, 4406), (2203, 3640)]