253179680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121721}}^1$

素因数の和:121749

約数の個数: 48

約数和(自身を含む): 644152824

約数和(自身を除く): 390973144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 121721, 243442, 486884, 608605, 973768, 1217210, 1582373, 1947536, 2434420, 3164746, 3895072, 4868840, 6329492, 7911865, 9737680, 12658984, 15823730, 19475360, 25317968, 31647460, 50635936, 63294920, 126589840, 253179680]

約数ペア:

[(1, 253179680), (2, 126589840), (4, 63294920), (5, 50635936), (8, 31647460), (10, 25317968), (13, 19475360), (16, 15823730), (20, 12658984), (26, 9737680), (32, 7911865), (40, 6329492), (52, 4868840), (65, 3895072), (80, 3164746), (104, 2434420), (130, 1947536), (160, 1582373), (208, 1217210), (260, 973768), (416, 608605), (520, 486884), (1040, 243442), (2080, 121721)]