39335680

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 95659200

約数和(自身を除く): 56323520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 389, 395, 632, 640, 778, 790, 1264, 1280, 1556, 1580, 1945, 2528, 3112, 3160, 3890, 5056, 6224, 6320, 7780, 10112, 12448, 12640, 15560, 20224, 24896, 25280, 30731, 31120, 49792, 50560, 61462, 62240, 99584, 101120, 122924, 124480, 153655, 245848, 248960, 307310, 491696, 497920, 614620, 983392, 1229240, 1966784, 2458480, 3933568, 4916960, 7867136, 9833920, 19667840, 39335680]

約数ペア:

[(1, 39335680), (2, 19667840), (4, 9833920), (5, 7867136), (8, 4916960), (10, 3933568), (16, 2458480), (20, 1966784), (32, 1229240), (40, 983392), (64, 614620), (79, 497920), (80, 491696), (128, 307310), (158, 248960), (160, 245848), (256, 153655), (316, 124480), (320, 122924), (389, 101120), (395, 99584), (632, 62240), (640, 61462), (778, 50560), (790, 49792), (1264, 31120), (1280, 30731), (1556, 25280), (1580, 24896), (1945, 20224), (2528, 15560), (3112, 12640), (3160, 12448), (3890, 10112), (5056, 7780), (6224, 6320)]