40433920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 100074240

約数和(自身を除く): 59640320

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, 1019, 1240, 1280, 1984, 2038, 2480, 3968, 4076, 4960, 5095, 7936, 8152, 9920, 10190, 16304, 19840, 20380, 31589, 32608, 39680, 40760, 63178, 65216, 81520, 126356, 130432, 157945, 163040, 252712, 260864, 315890, 326080, 505424, 631780, 652160, 1010848, 1263560, 1304320, 2021696, 2527120, 4043392, 5054240, 8086784, 10108480, 20216960, 40433920]

約数ペア:

[(1, 40433920), (2, 20216960), (4, 10108480), (5, 8086784), (8, 5054240), (10, 4043392), (16, 2527120), (20, 2021696), (31, 1304320), (32, 1263560), (40, 1010848), (62, 652160), (64, 631780), (80, 505424), (124, 326080), (128, 315890), (155, 260864), (160, 252712), (248, 163040), (256, 157945), (310, 130432), (320, 126356), (496, 81520), (620, 65216), (640, 63178), (992, 40760), (1019, 39680), (1240, 32608), (1280, 31589), (1984, 20380), (2038, 19840), (2480, 16304), (3968, 10190), (4076, 9920), (4960, 8152), (5095, 7936)]