40236820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 96243840

約数和(自身を除く): 56007020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 59, 61, 65, 86, 118, 122, 130, 172, 215, 236, 244, 260, 295, 305, 430, 559, 590, 610, 767, 793, 860, 1118, 1180, 1220, 1534, 1586, 2236, 2537, 2623, 2795, 3068, 3172, 3599, 3835, 3965, 5074, 5246, 5590, 7198, 7670, 7930, 10148, 10492, 11180, 12685, 13115, 14396, 15340, 15860, 17995, 25370, 26230, 32981, 34099, 35990, 46787, 50740, 52460, 65962, 68198, 71980, 93574, 131924, 136396, 154757, 164905, 170495, 187148, 233935, 309514, 329810, 340990, 467870, 619028, 659620, 681980, 773785, 935740, 1547570, 2011841, 3095140, 4023682, 8047364, 10059205, 20118410, 40236820]

約数ペア:

[(1, 40236820), (2, 20118410), (4, 10059205), (5, 8047364), (10, 4023682), (13, 3095140), (20, 2011841), (26, 1547570), (43, 935740), (52, 773785), (59, 681980), (61, 659620), (65, 619028), (86, 467870), (118, 340990), (122, 329810), (130, 309514), (172, 233935), (215, 187148), (236, 170495), (244, 164905), (260, 154757), (295, 136396), (305, 131924), (430, 93574), (559, 71980), (590, 68198), (610, 65962), (767, 52460), (793, 50740), (860, 46787), (1118, 35990), (1180, 34099), (1220, 32981), (1534, 26230), (1586, 25370), (2236, 17995), (2537, 15860), (2623, 15340), (2795, 14396), (3068, 13115), (3172, 12685), (3599, 11180), (3835, 10492), (3965, 10148), (5074, 7930), (5246, 7670), (5590, 7198)]