804980080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 1906752960

約数和(自身を除く): 1101772880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 167, 178, 334, 356, 445, 668, 677, 712, 835, 890, 1336, 1354, 1424, 1670, 1780, 2672, 2708, 3340, 3385, 3560, 5416, 6680, 6770, 7120, 10832, 13360, 13540, 14863, 27080, 29726, 54160, 59452, 60253, 74315, 113059, 118904, 120506, 148630, 226118, 237808, 241012, 297260, 301265, 452236, 482024, 565295, 594520, 602530, 904472, 964048, 1130590, 1189040, 1205060, 1808944, 2261180, 2410120, 4522360, 4820240, 9044720, 10062251, 20124502, 40249004, 50311255, 80498008, 100622510, 160996016, 201245020, 402490040, 804980080]

約数ペア:

[(1, 804980080), (2, 402490040), (4, 201245020), (5, 160996016), (8, 100622510), (10, 80498008), (16, 50311255), (20, 40249004), (40, 20124502), (80, 10062251), (89, 9044720), (167, 4820240), (178, 4522360), (334, 2410120), (356, 2261180), (445, 1808944), (668, 1205060), (677, 1189040), (712, 1130590), (835, 964048), (890, 904472), (1336, 602530), (1354, 594520), (1424, 565295), (1670, 482024), (1780, 452236), (2672, 301265), (2708, 297260), (3340, 241012), (3385, 237808), (3560, 226118), (5416, 148630), (6680, 120506), (6770, 118904), (7120, 113059), (10832, 74315), (13360, 60253), (13540, 59452), (14863, 54160), (27080, 29726)]