25826320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 68120640

約数和(自身を除く): 42294320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1307, 1520, 1976, 2470, 2614, 3952, 4940, 5228, 6535, 9880, 10456, 13070, 16991, 19760, 20912, 24833, 26140, 33982, 49666, 52280, 67964, 84955, 99332, 104560, 124165, 135928, 169910, 198664, 248330, 271856, 322829, 339820, 397328, 496660, 645658, 679640, 993320, 1291316, 1359280, 1614145, 1986640, 2582632, 3228290, 5165264, 6456580, 12913160, 25826320]

約数ペア:

[(1, 25826320), (2, 12913160), (4, 6456580), (5, 5165264), (8, 3228290), (10, 2582632), (13, 1986640), (16, 1614145), (19, 1359280), (20, 1291316), (26, 993320), (38, 679640), (40, 645658), (52, 496660), (65, 397328), (76, 339820), (80, 322829), (95, 271856), (104, 248330), (130, 198664), (152, 169910), (190, 135928), (208, 124165), (247, 104560), (260, 99332), (304, 84955), (380, 67964), (494, 52280), (520, 49666), (760, 33982), (988, 26140), (1040, 24833), (1235, 20912), (1307, 19760), (1520, 16991), (1976, 13070), (2470, 10456), (2614, 9880), (3952, 6535), (4940, 5228)]