66350920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 154275840

約数和(自身を除く): 87924920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 383, 488, 568, 610, 710, 766, 1220, 1420, 1532, 1915, 2440, 2840, 3064, 3830, 4331, 7660, 8662, 15320, 17324, 21655, 23363, 27193, 34648, 43310, 46726, 54386, 86620, 93452, 108772, 116815, 135965, 173240, 186904, 217544, 233630, 271930, 467260, 543860, 934520, 1087720, 1658773, 3317546, 6635092, 8293865, 13270184, 16587730, 33175460, 66350920]

約数ペア:

[(1, 66350920), (2, 33175460), (4, 16587730), (5, 13270184), (8, 8293865), (10, 6635092), (20, 3317546), (40, 1658773), (61, 1087720), (71, 934520), (122, 543860), (142, 467260), (244, 271930), (284, 233630), (305, 217544), (355, 186904), (383, 173240), (488, 135965), (568, 116815), (610, 108772), (710, 93452), (766, 86620), (1220, 54386), (1420, 46726), (1532, 43310), (1915, 34648), (2440, 27193), (2840, 23363), (3064, 21655), (3830, 17324), (4331, 15320), (7660, 8662)]