26243750

素因数分解:

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

素因数の和:76

約数の個数: 96

約数和(自身を含む): 59058720

約数和(自身を除く): 32814970

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, 3125, 3230, 3250, 4199, 4250, 4750, 5525, 6175, 6250, 8075, 8125, 8398, 10625, 11050, 11875, 12350, 16150, 16250, 20995, 21250, 23750, 27625, 30875, 40375, 40625, 41990, 53125, 55250, 59375, 61750, 80750, 81250, 104975, 106250, 118750, 138125, 154375, 201875, 209950, 276250, 308750, 403750, 524875, 690625, 771875, 1009375, 1049750, 1381250, 1543750, 2018750, 2624375, 5248750, 13121875, 26243750]

約数ペア:

[(1, 26243750), (2, 13121875), (5, 5248750), (10, 2624375), (13, 2018750), (17, 1543750), (19, 1381250), (25, 1049750), (26, 1009375), (34, 771875), (38, 690625), (50, 524875), (65, 403750), (85, 308750), (95, 276250), (125, 209950), (130, 201875), (170, 154375), (190, 138125), (221, 118750), (247, 106250), (250, 104975), (323, 81250), (325, 80750), (425, 61750), (442, 59375), (475, 55250), (494, 53125), (625, 41990), (646, 40625), (650, 40375), (850, 30875), (950, 27625), (1105, 23750), (1235, 21250), (1250, 20995), (1615, 16250), (1625, 16150), (2125, 12350), (2210, 11875), (2375, 11050), (2470, 10625), (3125, 8398), (3230, 8125), (3250, 8075), (4199, 6250), (4250, 6175), (4750, 5525)]