13019960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 31842720

約数和(自身を除く): 18822760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 467, 680, 697, 820, 934, 1394, 1640, 1868, 2335, 2788, 3485, 3736, 4670, 5576, 6970, 7939, 9340, 13940, 15878, 18680, 19147, 27880, 31756, 38294, 39695, 63512, 76588, 79390, 95735, 153176, 158780, 191470, 317560, 325499, 382940, 650998, 765880, 1301996, 1627495, 2603992, 3254990, 6509980, 13019960]

約数ペア:

[(1, 13019960), (2, 6509980), (4, 3254990), (5, 2603992), (8, 1627495), (10, 1301996), (17, 765880), (20, 650998), (34, 382940), (40, 325499), (41, 317560), (68, 191470), (82, 158780), (85, 153176), (136, 95735), (164, 79390), (170, 76588), (205, 63512), (328, 39695), (340, 38294), (410, 31756), (467, 27880), (680, 19147), (697, 18680), (820, 15878), (934, 13940), (1394, 9340), (1640, 7939), (1868, 6970), (2335, 5576), (2788, 4670), (3485, 3736)]