12938820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2423}}^1$

素因数の和:2524

約数の個数: 48

約数和(自身を含む): 36650880

約数和(自身を除く): 23712060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2423, 2670, 4846, 5340, 7269, 9692, 12115, 14538, 24230, 29076, 36345, 48460, 72690, 145380, 215647, 431294, 646941, 862588, 1078235, 1293882, 2156470, 2587764, 3234705, 4312940, 6469410, 12938820]

約数ペア:

[(1, 12938820), (2, 6469410), (3, 4312940), (4, 3234705), (5, 2587764), (6, 2156470), (10, 1293882), (12, 1078235), (15, 862588), (20, 646941), (30, 431294), (60, 215647), (89, 145380), (178, 72690), (267, 48460), (356, 36345), (445, 29076), (534, 24230), (890, 14538), (1068, 12115), (1335, 9692), (1780, 7269), (2423, 5340), (2670, 4846)]