39615760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 98654400

約数和(自身を除く): 59038640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 389, 536, 670, 760, 778, 1072, 1273, 1340, 1520, 1556, 1945, 2546, 2680, 3112, 3890, 5092, 5360, 6224, 6365, 7391, 7780, 10184, 12730, 14782, 15560, 20368, 25460, 26063, 29564, 31120, 36955, 50920, 52126, 59128, 73910, 101840, 104252, 118256, 130315, 147820, 208504, 260630, 295640, 417008, 495197, 521260, 591280, 990394, 1042520, 1980788, 2085040, 2475985, 3961576, 4951970, 7923152, 9903940, 19807880, 39615760]

約数ペア:

[(1, 39615760), (2, 19807880), (4, 9903940), (5, 7923152), (8, 4951970), (10, 3961576), (16, 2475985), (19, 2085040), (20, 1980788), (38, 1042520), (40, 990394), (67, 591280), (76, 521260), (80, 495197), (95, 417008), (134, 295640), (152, 260630), (190, 208504), (268, 147820), (304, 130315), (335, 118256), (380, 104252), (389, 101840), (536, 73910), (670, 59128), (760, 52126), (778, 50920), (1072, 36955), (1273, 31120), (1340, 29564), (1520, 26063), (1556, 25460), (1945, 20368), (2546, 15560), (2680, 14782), (3112, 12730), (3890, 10184), (5092, 7780), (5360, 7391), (6224, 6365)]