409815040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1349

約数の個数: 96

約数和(自身を含む): 1015822080

約数和(自身を除く): 606007040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1291, 1984, 2048, 2480, 2560, 2582, 3968, 4960, 5120, 5164, 6455, 7936, 9920, 10240, 10328, 12910, 15872, 19840, 20656, 25820, 31744, 39680, 40021, 41312, 51640, 63488, 79360, 80042, 82624, 103280, 158720, 160084, 165248, 200105, 206560, 317440, 320168, 330496, 400210, 413120, 640336, 660992, 800420, 826240, 1280672, 1321984, 1600840, 1652480, 2561344, 2643968, 3201680, 3304960, 5122688, 6403360, 6609920, 10245376, 12806720, 13219840, 20490752, 25613440, 40981504, 51226880, 81963008, 102453760, 204907520, 409815040]

約数ペア:

[(1, 409815040), (2, 204907520), (4, 102453760), (5, 81963008), (8, 51226880), (10, 40981504), (16, 25613440), (20, 20490752), (31, 13219840), (32, 12806720), (40, 10245376), (62, 6609920), (64, 6403360), (80, 5122688), (124, 3304960), (128, 3201680), (155, 2643968), (160, 2561344), (248, 1652480), (256, 1600840), (310, 1321984), (320, 1280672), (496, 826240), (512, 800420), (620, 660992), (640, 640336), (992, 413120), (1024, 400210), (1240, 330496), (1280, 320168), (1291, 317440), (1984, 206560), (2048, 200105), (2480, 165248), (2560, 160084), (2582, 158720), (3968, 103280), (4960, 82624), (5120, 80042), (5164, 79360), (6455, 63488), (7936, 51640), (9920, 41312), (10240, 40021), (10328, 39680), (12910, 31744), (15872, 25820), (19840, 20656)]