8342360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 20623680

約数和(自身を除く): 12281320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 263, 305, 488, 520, 526, 610, 793, 1052, 1220, 1315, 1586, 2104, 2440, 2630, 3172, 3419, 3965, 5260, 6344, 6838, 7930, 10520, 13676, 15860, 16043, 17095, 27352, 31720, 32086, 34190, 64172, 68380, 80215, 128344, 136760, 160430, 208559, 320860, 417118, 641720, 834236, 1042795, 1668472, 2085590, 4171180, 8342360]

約数ペア:

[(1, 8342360), (2, 4171180), (4, 2085590), (5, 1668472), (8, 1042795), (10, 834236), (13, 641720), (20, 417118), (26, 320860), (40, 208559), (52, 160430), (61, 136760), (65, 128344), (104, 80215), (122, 68380), (130, 64172), (244, 34190), (260, 32086), (263, 31720), (305, 27352), (488, 17095), (520, 16043), (526, 15860), (610, 13676), (793, 10520), (1052, 7930), (1220, 6838), (1315, 6344), (1586, 5260), (2104, 3965), (2440, 3419), (2630, 3172)]