20324892080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{356327}}^1$

素因数の和:356394

約数の個数: 80

約数和(自身を含む): 50900742144

約数和(自身を除く): 30575850064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 14260, 28520, 57040, 356327, 712654, 1425308, 1781635, 2850616, 3563270, 5701232, 7126540, 8195521, 11046137, 14253080, 16391042, 22092274, 28506160, 32782084, 40977605, 44184548, 55230685, 65564168, 81955210, 88369096, 110461370, 131128336, 163910420, 176738192, 220922740, 254061151, 327820840, 441845480, 508122302, 655641680, 883690960, 1016244604, 1270305755, 2032489208, 2540611510, 4064978416, 5081223020, 10162446040, 20324892080]

約数ペア:

[(1, 20324892080), (2, 10162446040), (4, 5081223020), (5, 4064978416), (8, 2540611510), (10, 2032489208), (16, 1270305755), (20, 1016244604), (23, 883690960), (31, 655641680), (40, 508122302), (46, 441845480), (62, 327820840), (80, 254061151), (92, 220922740), (115, 176738192), (124, 163910420), (155, 131128336), (184, 110461370), (230, 88369096), (248, 81955210), (310, 65564168), (368, 55230685), (460, 44184548), (496, 40977605), (620, 32782084), (713, 28506160), (920, 22092274), (1240, 16391042), (1426, 14253080), (1840, 11046137), (2480, 8195521), (2852, 7126540), (3565, 5701232), (5704, 3563270), (7130, 2850616), (11408, 1781635), (14260, 1425308), (28520, 712654), (57040, 356327)]