42390725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 60746112

約数和(自身を除く): 18355387

約数列:

[1, 5, 13, 23, 25, 53, 65, 107, 115, 265, 299, 325, 535, 575, 689, 1219, 1325, 1391, 1495, 2461, 2675, 3445, 5671, 6095, 6955, 7475, 12305, 15847, 17225, 28355, 30475, 31993, 34775, 61525, 73723, 79235, 130433, 141775, 159965, 368615, 396175, 652165, 799825, 1695629, 1843075, 3260825, 8478145, 42390725]

約数ペア:

[(1, 42390725), (5, 8478145), (13, 3260825), (23, 1843075), (25, 1695629), (53, 799825), (65, 652165), (107, 396175), (115, 368615), (265, 159965), (299, 141775), (325, 130433), (535, 79235), (575, 73723), (689, 61525), (1219, 34775), (1325, 31993), (1391, 30475), (1495, 28355), (2461, 17225), (2675, 15847), (3445, 12305), (5671, 7475), (6095, 6955)]