258103040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15511}}^1$

素因数の和:15545

約数の個数: 72

約数和(自身を含む): 665837088

約数和(自身を除く): 407734048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 15511, 16640, 31022, 62044, 77555, 124088, 155110, 201643, 248176, 310220, 403286, 496352, 620440, 806572, 992704, 1008215, 1240880, 1613144, 1985408, 2016430, 2481760, 3226288, 3970816, 4032860, 4963520, 6452576, 8065720, 9927040, 12905152, 16131440, 19854080, 25810304, 32262880, 51620608, 64525760, 129051520, 258103040]

約数ペア:

[(1, 258103040), (2, 129051520), (4, 64525760), (5, 51620608), (8, 32262880), (10, 25810304), (13, 19854080), (16, 16131440), (20, 12905152), (26, 9927040), (32, 8065720), (40, 6452576), (52, 4963520), (64, 4032860), (65, 3970816), (80, 3226288), (104, 2481760), (128, 2016430), (130, 1985408), (160, 1613144), (208, 1240880), (256, 1008215), (260, 992704), (320, 806572), (416, 620440), (520, 496352), (640, 403286), (832, 310220), (1040, 248176), (1280, 201643), (1664, 155110), (2080, 124088), (3328, 77555), (4160, 62044), (8320, 31022), (15511, 16640)]