4215380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 9859584

約数和(自身を除く): 5644204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 523, 620, 806, 1046, 1612, 2015, 2092, 2615, 4030, 5230, 6799, 8060, 10460, 13598, 16213, 27196, 32426, 33995, 64852, 67990, 81065, 135980, 162130, 210769, 324260, 421538, 843076, 1053845, 2107690, 4215380]

約数ペア:

[(1, 4215380), (2, 2107690), (4, 1053845), (5, 843076), (10, 421538), (13, 324260), (20, 210769), (26, 162130), (31, 135980), (52, 81065), (62, 67990), (65, 64852), (124, 33995), (130, 32426), (155, 27196), (260, 16213), (310, 13598), (403, 10460), (523, 8060), (620, 6799), (806, 5230), (1046, 4030), (1612, 2615), (2015, 2092)]