42909880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 104781600

約数和(自身を除く): 61871720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 179, 260, 358, 461, 520, 716, 895, 922, 1432, 1790, 1844, 2305, 2327, 3580, 3688, 4610, 4654, 5993, 7160, 9220, 9308, 11635, 11986, 18440, 18616, 23270, 23972, 29965, 46540, 47944, 59930, 82519, 93080, 119860, 165038, 239720, 330076, 412595, 660152, 825190, 1072747, 1650380, 2145494, 3300760, 4290988, 5363735, 8581976, 10727470, 21454940, 42909880]

約数ペア:

[(1, 42909880), (2, 21454940), (4, 10727470), (5, 8581976), (8, 5363735), (10, 4290988), (13, 3300760), (20, 2145494), (26, 1650380), (40, 1072747), (52, 825190), (65, 660152), (104, 412595), (130, 330076), (179, 239720), (260, 165038), (358, 119860), (461, 93080), (520, 82519), (716, 59930), (895, 47944), (922, 46540), (1432, 29965), (1790, 23972), (1844, 23270), (2305, 18616), (2327, 18440), (3580, 11986), (3688, 11635), (4610, 9308), (4654, 9220), (5993, 7160)]