28024925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 39854592

約数和(自身を除く): 11829667

約数列:

[1, 5, 17, 23, 25, 47, 61, 85, 115, 235, 305, 391, 425, 575, 799, 1037, 1081, 1175, 1403, 1525, 1955, 2867, 3995, 5185, 5405, 7015, 9775, 14335, 18377, 19975, 23851, 25925, 27025, 35075, 48739, 65941, 71675, 91885, 119255, 243695, 329705, 459425, 596275, 1120997, 1218475, 1648525, 5604985, 28024925]

約数ペア:

[(1, 28024925), (5, 5604985), (17, 1648525), (23, 1218475), (25, 1120997), (47, 596275), (61, 459425), (85, 329705), (115, 243695), (235, 119255), (305, 91885), (391, 71675), (425, 65941), (575, 48739), (799, 35075), (1037, 27025), (1081, 25925), (1175, 23851), (1403, 19975), (1525, 18377), (1955, 14335), (2867, 9775), (3995, 7015), (5185, 5405)]