12908440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 31570560

約数和(自身を除く): 18662120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 463, 680, 697, 820, 926, 1394, 1640, 1852, 2315, 2788, 3485, 3704, 4630, 5576, 6970, 7871, 9260, 13940, 15742, 18520, 18983, 27880, 31484, 37966, 39355, 62968, 75932, 78710, 94915, 151864, 157420, 189830, 314840, 322711, 379660, 645422, 759320, 1290844, 1613555, 2581688, 3227110, 6454220, 12908440]

約数ペア:

[(1, 12908440), (2, 6454220), (4, 3227110), (5, 2581688), (8, 1613555), (10, 1290844), (17, 759320), (20, 645422), (34, 379660), (40, 322711), (41, 314840), (68, 189830), (82, 157420), (85, 151864), (136, 94915), (164, 78710), (170, 75932), (205, 62968), (328, 39355), (340, 37966), (410, 31484), (463, 27880), (680, 18983), (697, 18520), (820, 15742), (926, 13940), (1394, 9260), (1640, 7871), (1852, 6970), (2315, 5576), (2788, 4630), (3485, 3704)]