65005640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1297}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 168220800

約数和(自身を除く): 103215160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1297, 1432, 1790, 2506, 2594, 3580, 5012, 5188, 6265, 6485, 7160, 9079, 10024, 10376, 12530, 12970, 18158, 25060, 25940, 36316, 45395, 50120, 51880, 72632, 90790, 181580, 232163, 363160, 464326, 928652, 1160815, 1625141, 1857304, 2321630, 3250282, 4643260, 6500564, 8125705, 9286520, 13001128, 16251410, 32502820, 65005640]

約数ペア:

[(1, 65005640), (2, 32502820), (4, 16251410), (5, 13001128), (7, 9286520), (8, 8125705), (10, 6500564), (14, 4643260), (20, 3250282), (28, 2321630), (35, 1857304), (40, 1625141), (56, 1160815), (70, 928652), (140, 464326), (179, 363160), (280, 232163), (358, 181580), (716, 90790), (895, 72632), (1253, 51880), (1297, 50120), (1432, 45395), (1790, 36316), (2506, 25940), (2594, 25060), (3580, 18158), (5012, 12970), (5188, 12530), (6265, 10376), (6485, 10024), (7160, 9079)]