31001240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 75202560

約数和(自身を除く): 44201320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1087, 1240, 1426, 2174, 2852, 3565, 4348, 5435, 5704, 7130, 8696, 10870, 14260, 21740, 25001, 28520, 33697, 43480, 50002, 67394, 100004, 125005, 134788, 168485, 200008, 250010, 269576, 336970, 500020, 673940, 775031, 1000040, 1347880, 1550062, 3100124, 3875155, 6200248, 7750310, 15500620, 31001240]

約数ペア:

[(1, 31001240), (2, 15500620), (4, 7750310), (5, 6200248), (8, 3875155), (10, 3100124), (20, 1550062), (23, 1347880), (31, 1000040), (40, 775031), (46, 673940), (62, 500020), (92, 336970), (115, 269576), (124, 250010), (155, 200008), (184, 168485), (230, 134788), (248, 125005), (310, 100004), (460, 67394), (620, 50002), (713, 43480), (920, 33697), (1087, 28520), (1240, 25001), (1426, 21740), (2174, 14260), (2852, 10870), (3565, 8696), (4348, 7130), (5435, 5704)]