51151540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 123338880

約数和(自身を除く): 72187340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 919, 1012, 1210, 1265, 1838, 2420, 2530, 2783, 3676, 4595, 5060, 5566, 9190, 10109, 11132, 13915, 18380, 20218, 21137, 27830, 40436, 42274, 50545, 55660, 84548, 101090, 105685, 111199, 202180, 211370, 222398, 232507, 422740, 444796, 465014, 555995, 930028, 1111990, 1162535, 2223980, 2325070, 2557577, 4650140, 5115154, 10230308, 12787885, 25575770, 51151540]

約数ペア:

[(1, 51151540), (2, 25575770), (4, 12787885), (5, 10230308), (10, 5115154), (11, 4650140), (20, 2557577), (22, 2325070), (23, 2223980), (44, 1162535), (46, 1111990), (55, 930028), (92, 555995), (110, 465014), (115, 444796), (121, 422740), (220, 232507), (230, 222398), (242, 211370), (253, 202180), (460, 111199), (484, 105685), (506, 101090), (605, 84548), (919, 55660), (1012, 50545), (1210, 42274), (1265, 40436), (1838, 27830), (2420, 21137), (2530, 20218), (2783, 18380), (3676, 13915), (4595, 11132), (5060, 10109), (5566, 9190)]