31813540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3527}}^1$

素因数の和:3588

約数の個数: 48

約数和(自身を含む): 74680704

約数和(自身を除く): 42867164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3527, 4510, 7054, 9020, 14108, 17635, 35270, 38797, 70540, 77594, 144607, 155188, 193985, 289214, 387970, 578428, 723035, 775940, 1446070, 1590677, 2892140, 3181354, 6362708, 7953385, 15906770, 31813540]

約数ペア:

[(1, 31813540), (2, 15906770), (4, 7953385), (5, 6362708), (10, 3181354), (11, 2892140), (20, 1590677), (22, 1446070), (41, 775940), (44, 723035), (55, 578428), (82, 387970), (110, 289214), (164, 193985), (205, 155188), (220, 144607), (410, 77594), (451, 70540), (820, 38797), (902, 35270), (1804, 17635), (2255, 14108), (3527, 9020), (4510, 7054)]