102548680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 249984000

約数和(自身を除く): 147435320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 991, 995, 1592, 1982, 1990, 2587, 3964, 3980, 4955, 5174, 7928, 7960, 9910, 10348, 12883, 12935, 19820, 20696, 25766, 25870, 39640, 51532, 51740, 64415, 103064, 103480, 128830, 197209, 257660, 394418, 515320, 788836, 986045, 1577672, 1972090, 2563717, 3944180, 5127434, 7888360, 10254868, 12818585, 20509736, 25637170, 51274340, 102548680]

約数ペア:

[(1, 102548680), (2, 51274340), (4, 25637170), (5, 20509736), (8, 12818585), (10, 10254868), (13, 7888360), (20, 5127434), (26, 3944180), (40, 2563717), (52, 1972090), (65, 1577672), (104, 986045), (130, 788836), (199, 515320), (260, 394418), (398, 257660), (520, 197209), (796, 128830), (991, 103480), (995, 103064), (1592, 64415), (1982, 51740), (1990, 51532), (2587, 39640), (3964, 25870), (3980, 25766), (4955, 20696), (5174, 19820), (7928, 12935), (7960, 12883), (9910, 10348)]