28559560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 68947200

約数和(自身を除く): 40387640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 839, 851, 920, 1480, 1678, 1702, 3356, 3404, 4195, 4255, 6712, 6808, 8390, 8510, 16780, 17020, 19297, 31043, 33560, 34040, 38594, 62086, 77188, 96485, 124172, 154376, 155215, 192970, 248344, 310430, 385940, 620860, 713989, 771880, 1241720, 1427978, 2855956, 3569945, 5711912, 7139890, 14279780, 28559560]

約数ペア:

[(1, 28559560), (2, 14279780), (4, 7139890), (5, 5711912), (8, 3569945), (10, 2855956), (20, 1427978), (23, 1241720), (37, 771880), (40, 713989), (46, 620860), (74, 385940), (92, 310430), (115, 248344), (148, 192970), (184, 155215), (185, 154376), (230, 124172), (296, 96485), (370, 77188), (460, 62086), (740, 38594), (839, 34040), (851, 33560), (920, 31043), (1480, 19297), (1678, 17020), (1702, 16780), (3356, 8510), (3404, 8390), (4195, 6808), (4255, 6712)]