20349969950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4157}}^1\times {\mathrm{5153}}^1$

素因数の和:9341

約数の個数: 48

約数和(自身を含む): 39860417520

約数和(自身を除く): 19510447570

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 4157, 5153, 8314, 10306, 20785, 25765, 41570, 51530, 78983, 97907, 103925, 128825, 157966, 195814, 207850, 257650, 394915, 489535, 789830, 979070, 1974575, 2447675, 3949150, 4895350, 21421021, 42842042, 107105105, 214210210, 406999399, 535525525, 813998798, 1071051050, 2034996995, 4069993990, 10174984975, 20349969950]

約数ペア:

[(1, 20349969950), (2, 10174984975), (5, 4069993990), (10, 2034996995), (19, 1071051050), (25, 813998798), (38, 535525525), (50, 406999399), (95, 214210210), (190, 107105105), (475, 42842042), (950, 21421021), (4157, 4895350), (5153, 3949150), (8314, 2447675), (10306, 1974575), (20785, 979070), (25765, 789830), (41570, 489535), (51530, 394915), (78983, 257650), (97907, 207850), (103925, 195814), (128825, 157966)]