40817347840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1028663}}^1$

素因数の和:1028715

約数の個数: 72

約数和(自身を含む): 100924282368

約数和(自身を除く): 60106934528

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, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 1028663, 2057326, 4114652, 5143315, 8229304, 10286630, 16458608, 20573260, 31888553, 32917216, 41146520, 63777106, 65834432, 82293040, 127554212, 131668864, 159442765, 164586080, 255108424, 263337728, 318885530, 329172160, 510216848, 637771060, 658344320, 1020433696, 1275542120, 1316688640, 2040867392, 2551084240, 4081734784, 5102168480, 8163469568, 10204336960, 20408673920, 40817347840]

約数ペア:

[(1, 40817347840), (2, 20408673920), (4, 10204336960), (5, 8163469568), (8, 5102168480), (10, 4081734784), (16, 2551084240), (20, 2040867392), (31, 1316688640), (32, 1275542120), (40, 1020433696), (62, 658344320), (64, 637771060), (80, 510216848), (124, 329172160), (128, 318885530), (155, 263337728), (160, 255108424), (248, 164586080), (256, 159442765), (310, 131668864), (320, 127554212), (496, 82293040), (620, 65834432), (640, 63777106), (992, 41146520), (1240, 32917216), (1280, 31888553), (1984, 20573260), (2480, 16458608), (3968, 10286630), (4960, 8229304), (7936, 5143315), (9920, 4114652), (19840, 2057326), (39680, 1028663)]