61051240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 141419520

約数和(自身を除く): 80368280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 191, 244, 262, 305, 382, 488, 524, 610, 655, 764, 955, 1048, 1220, 1310, 1528, 1910, 2440, 2620, 3820, 5240, 7640, 7991, 11651, 15982, 23302, 25021, 31964, 39955, 46604, 50042, 58255, 63928, 79910, 93208, 100084, 116510, 125105, 159820, 200168, 233020, 250210, 319640, 466040, 500420, 1000840, 1526281, 3052562, 6105124, 7631405, 12210248, 15262810, 30525620, 61051240]

約数ペア:

[(1, 61051240), (2, 30525620), (4, 15262810), (5, 12210248), (8, 7631405), (10, 6105124), (20, 3052562), (40, 1526281), (61, 1000840), (122, 500420), (131, 466040), (191, 319640), (244, 250210), (262, 233020), (305, 200168), (382, 159820), (488, 125105), (524, 116510), (610, 100084), (655, 93208), (764, 79910), (955, 63928), (1048, 58255), (1220, 50042), (1310, 46604), (1528, 39955), (1910, 31964), (2440, 25021), (2620, 23302), (3820, 15982), (5240, 11651), (7640, 7991)]