80403820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 205470720

約数和(自身を除く): 125066900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 167, 181, 190, 266, 334, 362, 380, 532, 665, 668, 724, 835, 905, 1169, 1267, 1330, 1670, 1810, 2338, 2534, 2660, 3173, 3340, 3439, 3620, 4676, 5068, 5845, 6335, 6346, 6878, 11690, 12670, 12692, 13756, 15865, 17195, 22211, 23380, 24073, 25340, 30227, 31730, 34390, 44422, 48146, 60454, 63460, 68780, 88844, 96292, 111055, 120365, 120908, 151135, 211589, 222110, 240730, 302270, 423178, 444220, 481460, 574313, 604540, 846356, 1057945, 1148626, 2115890, 2297252, 2871565, 4020191, 4231780, 5743130, 8040382, 11486260, 16080764, 20100955, 40201910, 80403820]

約数ペア:

[(1, 80403820), (2, 40201910), (4, 20100955), (5, 16080764), (7, 11486260), (10, 8040382), (14, 5743130), (19, 4231780), (20, 4020191), (28, 2871565), (35, 2297252), (38, 2115890), (70, 1148626), (76, 1057945), (95, 846356), (133, 604540), (140, 574313), (167, 481460), (181, 444220), (190, 423178), (266, 302270), (334, 240730), (362, 222110), (380, 211589), (532, 151135), (665, 120908), (668, 120365), (724, 111055), (835, 96292), (905, 88844), (1169, 68780), (1267, 63460), (1330, 60454), (1670, 48146), (1810, 44422), (2338, 34390), (2534, 31730), (2660, 30227), (3173, 25340), (3340, 24073), (3439, 23380), (3620, 22211), (4676, 17195), (5068, 15865), (5845, 13756), (6335, 12692), (6346, 12670), (6878, 11690)]