26903440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 65732400

約数和(自身を除く): 38828960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 149, 185, 244, 296, 298, 305, 370, 488, 592, 596, 610, 740, 745, 976, 1192, 1220, 1480, 1490, 2257, 2384, 2440, 2960, 2980, 4514, 4880, 5513, 5960, 9028, 9089, 11026, 11285, 11920, 18056, 18178, 22052, 22570, 27565, 36112, 36356, 44104, 45140, 45445, 55130, 72712, 88208, 90280, 90890, 110260, 145424, 180560, 181780, 220520, 336293, 363560, 441040, 672586, 727120, 1345172, 1681465, 2690344, 3362930, 5380688, 6725860, 13451720, 26903440]

約数ペア:

[(1, 26903440), (2, 13451720), (4, 6725860), (5, 5380688), (8, 3362930), (10, 2690344), (16, 1681465), (20, 1345172), (37, 727120), (40, 672586), (61, 441040), (74, 363560), (80, 336293), (122, 220520), (148, 181780), (149, 180560), (185, 145424), (244, 110260), (296, 90890), (298, 90280), (305, 88208), (370, 72712), (488, 55130), (592, 45445), (596, 45140), (610, 44104), (740, 36356), (745, 36112), (976, 27565), (1192, 22570), (1220, 22052), (1480, 18178), (1490, 18056), (2257, 11920), (2384, 11285), (2440, 11026), (2960, 9089), (2980, 9028), (4514, 5960), (4880, 5513)]