139411840

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3651

約数の個数: 64

約数和(自身を含む): 338839920

約数和(自身を除く): 199428080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3571, 3904, 4880, 7142, 7808, 9760, 14284, 17855, 19520, 28568, 35710, 39040, 57136, 71420, 114272, 142840, 217831, 228544, 285680, 435662, 457088, 571360, 871324, 1089155, 1142720, 1742648, 2178310, 2285440, 3485296, 4356620, 6970592, 8713240, 13941184, 17426480, 27882368, 34852960, 69705920, 139411840]

約数ペア:

[(1, 139411840), (2, 69705920), (4, 34852960), (5, 27882368), (8, 17426480), (10, 13941184), (16, 8713240), (20, 6970592), (32, 4356620), (40, 3485296), (61, 2285440), (64, 2178310), (80, 1742648), (122, 1142720), (128, 1089155), (160, 871324), (244, 571360), (305, 457088), (320, 435662), (488, 285680), (610, 228544), (640, 217831), (976, 142840), (1220, 114272), (1952, 71420), (2440, 57136), (3571, 39040), (3904, 35710), (4880, 28568), (7142, 19520), (7808, 17855), (9760, 14284)]