48665840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 120661920

約数和(自身を除く): 71996080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 317, 380, 404, 505, 634, 760, 808, 1010, 1268, 1520, 1585, 1616, 1919, 2020, 2536, 3170, 3838, 4040, 5072, 6023, 6340, 7676, 8080, 9595, 12046, 12680, 15352, 19190, 24092, 25360, 30115, 30704, 32017, 38380, 48184, 60230, 64034, 76760, 96368, 120460, 128068, 153520, 160085, 240920, 256136, 320170, 481840, 512272, 608323, 640340, 1216646, 1280680, 2433292, 2561360, 3041615, 4866584, 6083230, 9733168, 12166460, 24332920, 48665840]

約数ペア:

[(1, 48665840), (2, 24332920), (4, 12166460), (5, 9733168), (8, 6083230), (10, 4866584), (16, 3041615), (19, 2561360), (20, 2433292), (38, 1280680), (40, 1216646), (76, 640340), (80, 608323), (95, 512272), (101, 481840), (152, 320170), (190, 256136), (202, 240920), (304, 160085), (317, 153520), (380, 128068), (404, 120460), (505, 96368), (634, 76760), (760, 64034), (808, 60230), (1010, 48184), (1268, 38380), (1520, 32017), (1585, 30704), (1616, 30115), (1919, 25360), (2020, 24092), (2536, 19190), (3170, 15352), (3838, 12680), (4040, 12046), (5072, 9595), (6023, 8080), (6340, 7676)]