86799920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 208111680

約数和(自身を除く): 121311760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 89, 146, 167, 178, 292, 334, 356, 365, 445, 584, 668, 712, 730, 835, 890, 1168, 1336, 1424, 1460, 1670, 1780, 2672, 2920, 3340, 3560, 5840, 6497, 6680, 7120, 12191, 12994, 13360, 14863, 24382, 25988, 29726, 32485, 48764, 51976, 59452, 60955, 64970, 74315, 97528, 103952, 118904, 121910, 129940, 148630, 195056, 237808, 243820, 259880, 297260, 487640, 519760, 594520, 975280, 1084999, 1189040, 2169998, 4339996, 5424995, 8679992, 10849990, 17359984, 21699980, 43399960, 86799920]

約数ペア:

[(1, 86799920), (2, 43399960), (4, 21699980), (5, 17359984), (8, 10849990), (10, 8679992), (16, 5424995), (20, 4339996), (40, 2169998), (73, 1189040), (80, 1084999), (89, 975280), (146, 594520), (167, 519760), (178, 487640), (292, 297260), (334, 259880), (356, 243820), (365, 237808), (445, 195056), (584, 148630), (668, 129940), (712, 121910), (730, 118904), (835, 103952), (890, 97528), (1168, 74315), (1336, 64970), (1424, 60955), (1460, 59452), (1670, 51976), (1780, 48764), (2672, 32485), (2920, 29726), (3340, 25988), (3560, 24382), (5840, 14863), (6497, 13360), (6680, 12994), (7120, 12191)]