2520455

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 3760128

約数和(自身を除く): 1239673

約数列:

[1, 5, 7, 23, 31, 35, 101, 115, 155, 161, 217, 505, 707, 713, 805, 1085, 2323, 3131, 3535, 3565, 4991, 11615, 15655, 16261, 21917, 24955, 72013, 81305, 109585, 360065, 504091, 2520455]

約数ペア:

[(1, 2520455), (5, 504091), (7, 360065), (23, 109585), (31, 81305), (35, 72013), (101, 24955), (115, 21917), (155, 16261), (161, 15655), (217, 11615), (505, 4991), (707, 3565), (713, 3535), (805, 3131), (1085, 2323)]