20131781200

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{825073}}^1$

素因数の和:825152

約数の個数: 60

約数和(自身を含む): 49159559068

約数和(自身を除く): 29027777868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 2440, 3050, 4880, 6100, 12200, 24400, 825073, 1650146, 3300292, 4125365, 6600584, 8250730, 13201168, 16501460, 20626825, 33002920, 41253650, 50329453, 66005840, 82507300, 100658906, 165014600, 201317812, 251647265, 330029200, 402635624, 503294530, 805271248, 1006589060, 1258236325, 2013178120, 2516472650, 4026356240, 5032945300, 10065890600, 20131781200]

約数ペア:

[(1, 20131781200), (2, 10065890600), (4, 5032945300), (5, 4026356240), (8, 2516472650), (10, 2013178120), (16, 1258236325), (20, 1006589060), (25, 805271248), (40, 503294530), (50, 402635624), (61, 330029200), (80, 251647265), (100, 201317812), (122, 165014600), (200, 100658906), (244, 82507300), (305, 66005840), (400, 50329453), (488, 41253650), (610, 33002920), (976, 20626825), (1220, 16501460), (1525, 13201168), (2440, 8250730), (3050, 6600584), (4880, 4125365), (6100, 3300292), (12200, 1650146), (24400, 825073)]