80984020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 192036096

約数和(自身を除く): 111052076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 71, 82, 107, 130, 142, 164, 205, 214, 260, 284, 355, 410, 428, 533, 535, 710, 820, 923, 1066, 1070, 1391, 1420, 1846, 2132, 2140, 2665, 2782, 2911, 3692, 4387, 4615, 5330, 5564, 5822, 6955, 7597, 8774, 9230, 10660, 11644, 13910, 14555, 15194, 17548, 18460, 21935, 27820, 29110, 30388, 37843, 37985, 43870, 57031, 58220, 75686, 75970, 87740, 98761, 114062, 151372, 151940, 189215, 197522, 228124, 285155, 311477, 378430, 395044, 493805, 570310, 622954, 756860, 987610, 1140620, 1245908, 1557385, 1975220, 3114770, 4049201, 6229540, 8098402, 16196804, 20246005, 40492010, 80984020]

約数ペア:

[(1, 80984020), (2, 40492010), (4, 20246005), (5, 16196804), (10, 8098402), (13, 6229540), (20, 4049201), (26, 3114770), (41, 1975220), (52, 1557385), (65, 1245908), (71, 1140620), (82, 987610), (107, 756860), (130, 622954), (142, 570310), (164, 493805), (205, 395044), (214, 378430), (260, 311477), (284, 285155), (355, 228124), (410, 197522), (428, 189215), (533, 151940), (535, 151372), (710, 114062), (820, 98761), (923, 87740), (1066, 75970), (1070, 75686), (1391, 58220), (1420, 57031), (1846, 43870), (2132, 37985), (2140, 37843), (2665, 30388), (2782, 29110), (2911, 27820), (3692, 21935), (4387, 18460), (4615, 17548), (5330, 15194), (5564, 14555), (5822, 13910), (6955, 11644), (7597, 10660), (8774, 9230)]