28879840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 75932640

約数和(自身を除く): 47052800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 122, 160, 176, 220, 244, 269, 305, 352, 440, 488, 538, 610, 671, 880, 976, 1076, 1220, 1342, 1345, 1760, 1952, 2152, 2440, 2684, 2690, 2959, 3355, 4304, 4880, 5368, 5380, 5918, 6710, 8608, 9760, 10736, 10760, 11836, 13420, 14795, 16409, 21472, 21520, 23672, 26840, 29590, 32818, 43040, 47344, 53680, 59180, 65636, 82045, 94688, 107360, 118360, 131272, 164090, 180499, 236720, 262544, 328180, 360998, 473440, 525088, 656360, 721996, 902495, 1312720, 1443992, 1804990, 2625440, 2887984, 3609980, 5775968, 7219960, 14439920, 28879840]

約数ペア:

[(1, 28879840), (2, 14439920), (4, 7219960), (5, 5775968), (8, 3609980), (10, 2887984), (11, 2625440), (16, 1804990), (20, 1443992), (22, 1312720), (32, 902495), (40, 721996), (44, 656360), (55, 525088), (61, 473440), (80, 360998), (88, 328180), (110, 262544), (122, 236720), (160, 180499), (176, 164090), (220, 131272), (244, 118360), (269, 107360), (305, 94688), (352, 82045), (440, 65636), (488, 59180), (538, 53680), (610, 47344), (671, 43040), (880, 32818), (976, 29590), (1076, 26840), (1220, 23672), (1342, 21520), (1345, 21472), (1760, 16409), (1952, 14795), (2152, 13420), (2440, 11836), (2684, 10760), (2690, 10736), (2959, 9760), (3355, 8608), (4304, 6710), (4880, 5918), (5368, 5380)]