64847180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2143}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 145877760

約数和(自身を除く): 81030580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2143, 3026, 4286, 6052, 7565, 8572, 10715, 15130, 21430, 30260, 36431, 42860, 72862, 145724, 182155, 190727, 364310, 381454, 728620, 762908, 953635, 1907270, 3242359, 3814540, 6484718, 12969436, 16211795, 32423590, 64847180]

約数ペア:

[(1, 64847180), (2, 32423590), (4, 16211795), (5, 12969436), (10, 6484718), (17, 3814540), (20, 3242359), (34, 1907270), (68, 953635), (85, 762908), (89, 728620), (170, 381454), (178, 364310), (340, 190727), (356, 182155), (445, 145724), (890, 72862), (1513, 42860), (1780, 36431), (2143, 30260), (3026, 21430), (4286, 15130), (6052, 10715), (7565, 8572)]