128434280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4134

約数の個数: 64

約数和(自身を含む): 316386000

約数和(自身を除く): 187951720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 4049, 6344, 7930, 8098, 15860, 16196, 20245, 31720, 32392, 40490, 52637, 80980, 105274, 161960, 210548, 246989, 263185, 421096, 493978, 526370, 987956, 1052740, 1234945, 1975912, 2105480, 2469890, 3210857, 4939780, 6421714, 9879560, 12843428, 16054285, 25686856, 32108570, 64217140, 128434280]

約数ペア:

[(1, 128434280), (2, 64217140), (4, 32108570), (5, 25686856), (8, 16054285), (10, 12843428), (13, 9879560), (20, 6421714), (26, 4939780), (40, 3210857), (52, 2469890), (61, 2105480), (65, 1975912), (104, 1234945), (122, 1052740), (130, 987956), (244, 526370), (260, 493978), (305, 421096), (488, 263185), (520, 246989), (610, 210548), (793, 161960), (1220, 105274), (1586, 80980), (2440, 52637), (3172, 40490), (3965, 32392), (4049, 31720), (6344, 20245), (7930, 16196), (8098, 15860)]