203429440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20507}}^1$

素因数の和:20555

約数の個数: 56

約数和(自身を含む): 500067072

約数和(自身を除く): 296637632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20507, 41014, 82028, 102535, 164056, 205070, 328112, 410140, 635717, 656224, 820280, 1271434, 1312448, 1640560, 2542868, 3178585, 3281120, 5085736, 6357170, 6562240, 10171472, 12714340, 20342944, 25428680, 40685888, 50857360, 101714720, 203429440]

約数ペア:

[(1, 203429440), (2, 101714720), (4, 50857360), (5, 40685888), (8, 25428680), (10, 20342944), (16, 12714340), (20, 10171472), (31, 6562240), (32, 6357170), (40, 5085736), (62, 3281120), (64, 3178585), (80, 2542868), (124, 1640560), (155, 1312448), (160, 1271434), (248, 820280), (310, 656224), (320, 635717), (496, 410140), (620, 328112), (992, 205070), (1240, 164056), (1984, 102535), (2480, 82028), (4960, 41014), (9920, 20507)]