64856090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 68199910

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 109, 115, 130, 199, 218, 230, 299, 398, 545, 598, 995, 1090, 1417, 1495, 1990, 2507, 2587, 2834, 2990, 4577, 5014, 5174, 7085, 9154, 12535, 12935, 14170, 21691, 22885, 25070, 25870, 32591, 43382, 45770, 59501, 65182, 108455, 119002, 162955, 216910, 281983, 297505, 325910, 498893, 563966, 595010, 997786, 1409915, 2494465, 2819830, 4988930, 6485609, 12971218, 32428045, 64856090]

約数ペア:

[(1, 64856090), (2, 32428045), (5, 12971218), (10, 6485609), (13, 4988930), (23, 2819830), (26, 2494465), (46, 1409915), (65, 997786), (109, 595010), (115, 563966), (130, 498893), (199, 325910), (218, 297505), (230, 281983), (299, 216910), (398, 162955), (545, 119002), (598, 108455), (995, 65182), (1090, 59501), (1417, 45770), (1495, 43382), (1990, 32591), (2507, 25870), (2587, 25070), (2834, 22885), (2990, 21691), (4577, 14170), (5014, 12935), (5174, 12535), (7085, 9154)]