38980760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10709}}^1$

素因数の和:10740

約数の個数: 64

約数和(自身を含む): 107956800

約数和(自身を除く): 68976040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 10709, 21418, 42836, 53545, 74963, 85672, 107090, 139217, 149926, 214180, 278434, 299852, 374815, 428360, 556868, 599704, 696085, 749630, 974519, 1113736, 1392170, 1499260, 1949038, 2784340, 2998520, 3898076, 4872595, 5568680, 7796152, 9745190, 19490380, 38980760]

約数ペア:

[(1, 38980760), (2, 19490380), (4, 9745190), (5, 7796152), (7, 5568680), (8, 4872595), (10, 3898076), (13, 2998520), (14, 2784340), (20, 1949038), (26, 1499260), (28, 1392170), (35, 1113736), (40, 974519), (52, 749630), (56, 696085), (65, 599704), (70, 556868), (91, 428360), (104, 374815), (130, 299852), (140, 278434), (182, 214180), (260, 149926), (280, 139217), (364, 107090), (455, 85672), (520, 74963), (728, 53545), (910, 42836), (1820, 21418), (3640, 10709)]