24981580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 59950800

約数和(自身を除く): 34969220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 389, 494, 676, 778, 845, 988, 1235, 1556, 1690, 1945, 2470, 3211, 3380, 3890, 4940, 5057, 6422, 7391, 7780, 10114, 12844, 14782, 16055, 20228, 25285, 29564, 32110, 36955, 50570, 64220, 65741, 73910, 96083, 101140, 131482, 147820, 192166, 262964, 328705, 384332, 480415, 657410, 960830, 1249079, 1314820, 1921660, 2498158, 4996316, 6245395, 12490790, 24981580]

約数ペア:

[(1, 24981580), (2, 12490790), (4, 6245395), (5, 4996316), (10, 2498158), (13, 1921660), (19, 1314820), (20, 1249079), (26, 960830), (38, 657410), (52, 480415), (65, 384332), (76, 328705), (95, 262964), (130, 192166), (169, 147820), (190, 131482), (247, 101140), (260, 96083), (338, 73910), (380, 65741), (389, 64220), (494, 50570), (676, 36955), (778, 32110), (845, 29564), (988, 25285), (1235, 20228), (1556, 16055), (1690, 14782), (1945, 12844), (2470, 10114), (3211, 7780), (3380, 7391), (3890, 6422), (4940, 5057)]