520036840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15913}}^1$

素因数の和:15986

約数の個数: 64

約数和(自身を含む): 1260388800

約数和(自身を除く): 740351960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 15913, 16340, 31826, 32680, 63652, 79565, 127304, 159130, 302347, 318260, 604694, 636520, 684259, 1209388, 1368518, 1511735, 2418776, 2737036, 3023470, 3421295, 5474072, 6046940, 6842590, 12093880, 13000921, 13685180, 26001842, 27370360, 52003684, 65004605, 104007368, 130009210, 260018420, 520036840]

約数ペア:

[(1, 520036840), (2, 260018420), (4, 130009210), (5, 104007368), (8, 65004605), (10, 52003684), (19, 27370360), (20, 26001842), (38, 13685180), (40, 13000921), (43, 12093880), (76, 6842590), (86, 6046940), (95, 5474072), (152, 3421295), (172, 3023470), (190, 2737036), (215, 2418776), (344, 1511735), (380, 1368518), (430, 1209388), (760, 684259), (817, 636520), (860, 604694), (1634, 318260), (1720, 302347), (3268, 159130), (4085, 127304), (6536, 79565), (8170, 63652), (15913, 32680), (16340, 31826)]