23119720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 56563920

約数和(自身を除く): 33444200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 257, 260, 346, 514, 520, 692, 865, 1028, 1285, 1384, 1730, 2056, 2249, 2570, 3341, 3460, 4498, 5140, 6682, 6920, 8996, 10280, 11245, 13364, 16705, 17992, 22490, 26728, 33410, 44461, 44980, 66820, 88922, 89960, 133640, 177844, 222305, 355688, 444610, 577993, 889220, 1155986, 1778440, 2311972, 2889965, 4623944, 5779930, 11559860, 23119720]

約数ペア:

[(1, 23119720), (2, 11559860), (4, 5779930), (5, 4623944), (8, 2889965), (10, 2311972), (13, 1778440), (20, 1155986), (26, 889220), (40, 577993), (52, 444610), (65, 355688), (104, 222305), (130, 177844), (173, 133640), (257, 89960), (260, 88922), (346, 66820), (514, 44980), (520, 44461), (692, 33410), (865, 26728), (1028, 22490), (1285, 17992), (1384, 16705), (1730, 13364), (2056, 11245), (2249, 10280), (2570, 8996), (3341, 6920), (3460, 6682), (4498, 5140)]