124308920

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{7417}}^1$

素因数の和:7847

約数の個数: 32

約数和(自身を含む): 280400400

約数和(自身を除く): 156091480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 7417, 8380, 14834, 16760, 29668, 37085, 59336, 74170, 148340, 296680, 3107723, 6215446, 12430892, 15538615, 24861784, 31077230, 62154460, 124308920]

約数ペア:

[(1, 124308920), (2, 62154460), (4, 31077230), (5, 24861784), (8, 15538615), (10, 12430892), (20, 6215446), (40, 3107723), (419, 296680), (838, 148340), (1676, 74170), (2095, 59336), (3352, 37085), (4190, 29668), (7417, 16760), (8380, 14834)]