1871155840

素因数分解:

$2^7\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3011}}^1$

素因数の和:4001

約数の個数: 64

約数和(自身を含む): 4479325920

約数和(自身を除く): 2608170080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 971, 1942, 3011, 3884, 4855, 6022, 7768, 9710, 12044, 15055, 15536, 19420, 24088, 30110, 31072, 38840, 48176, 60220, 62144, 77680, 96352, 120440, 124288, 155360, 192704, 240880, 310720, 385408, 481760, 621440, 963520, 1927040, 2923681, 5847362, 11694724, 14618405, 23389448, 29236810, 46778896, 58473620, 93557792, 116947240, 187115584, 233894480, 374231168, 467788960, 935577920, 1871155840]

約数ペア:

[(1, 1871155840), (2, 935577920), (4, 467788960), (5, 374231168), (8, 233894480), (10, 187115584), (16, 116947240), (20, 93557792), (32, 58473620), (40, 46778896), (64, 29236810), (80, 23389448), (128, 14618405), (160, 11694724), (320, 5847362), (640, 2923681), (971, 1927040), (1942, 963520), (3011, 621440), (3884, 481760), (4855, 385408), (6022, 310720), (7768, 240880), (9710, 192704), (12044, 155360), (15055, 124288), (15536, 120440), (19420, 96352), (24088, 77680), (30110, 62144), (31072, 60220), (38840, 48176)]