139724720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1039}}^1$

素因数の和:1134

約数の個数: 60

約数和(自身を含む): 333297120

約数和(自身を除く): 193572400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1039, 1640, 1681, 2078, 3280, 3362, 4156, 5195, 6724, 8312, 8405, 10390, 13448, 16624, 16810, 20780, 26896, 33620, 41560, 42599, 67240, 83120, 85198, 134480, 170396, 212995, 340792, 425990, 681584, 851980, 1703960, 1746559, 3407920, 3493118, 6986236, 8732795, 13972472, 17465590, 27944944, 34931180, 69862360, 139724720]

約数ペア:

[(1, 139724720), (2, 69862360), (4, 34931180), (5, 27944944), (8, 17465590), (10, 13972472), (16, 8732795), (20, 6986236), (40, 3493118), (41, 3407920), (80, 1746559), (82, 1703960), (164, 851980), (205, 681584), (328, 425990), (410, 340792), (656, 212995), (820, 170396), (1039, 134480), (1640, 85198), (1681, 83120), (2078, 67240), (3280, 42599), (3362, 41560), (4156, 33620), (5195, 26896), (6724, 20780), (8312, 16810), (8405, 16624), (10390, 13448)]