5248750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 11808720

約数和(自身を除く): 6559970

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 34, 38, 50, 65, 85, 95, 125, 130, 170, 190, 221, 247, 250, 323, 325, 425, 442, 475, 494, 625, 646, 650, 850, 950, 1105, 1235, 1250, 1615, 1625, 2125, 2210, 2375, 2470, 3230, 3250, 4199, 4250, 4750, 5525, 6175, 8075, 8125, 8398, 10625, 11050, 11875, 12350, 16150, 16250, 20995, 21250, 23750, 27625, 30875, 40375, 41990, 55250, 61750, 80750, 104975, 138125, 154375, 201875, 209950, 276250, 308750, 403750, 524875, 1049750, 2624375, 5248750]

約数ペア:

[(1, 5248750), (2, 2624375), (5, 1049750), (10, 524875), (13, 403750), (17, 308750), (19, 276250), (25, 209950), (26, 201875), (34, 154375), (38, 138125), (50, 104975), (65, 80750), (85, 61750), (95, 55250), (125, 41990), (130, 40375), (170, 30875), (190, 27625), (221, 23750), (247, 21250), (250, 20995), (323, 16250), (325, 16150), (425, 12350), (442, 11875), (475, 11050), (494, 10625), (625, 8398), (646, 8125), (650, 8075), (850, 6175), (950, 5525), (1105, 4750), (1235, 4250), (1250, 4199), (1615, 3250), (1625, 3230), (2125, 2470), (2210, 2375)]