13455920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 33426432

約数和(自身を除く): 19970512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 103, 115, 142, 184, 206, 230, 284, 355, 368, 412, 460, 515, 568, 710, 824, 920, 1030, 1136, 1420, 1633, 1648, 1840, 2060, 2369, 2840, 3266, 4120, 4738, 5680, 6532, 7313, 8165, 8240, 9476, 11845, 13064, 14626, 16330, 18952, 23690, 26128, 29252, 32660, 36565, 37904, 47380, 58504, 65320, 73130, 94760, 117008, 130640, 146260, 168199, 189520, 292520, 336398, 585040, 672796, 840995, 1345592, 1681990, 2691184, 3363980, 6727960, 13455920]

約数ペア:

[(1, 13455920), (2, 6727960), (4, 3363980), (5, 2691184), (8, 1681990), (10, 1345592), (16, 840995), (20, 672796), (23, 585040), (40, 336398), (46, 292520), (71, 189520), (80, 168199), (92, 146260), (103, 130640), (115, 117008), (142, 94760), (184, 73130), (206, 65320), (230, 58504), (284, 47380), (355, 37904), (368, 36565), (412, 32660), (460, 29252), (515, 26128), (568, 23690), (710, 18952), (824, 16330), (920, 14626), (1030, 13064), (1136, 11845), (1420, 9476), (1633, 8240), (1648, 8165), (1840, 7313), (2060, 6532), (2369, 5680), (2840, 4738), (3266, 4120)]