4256980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2368

約数の個数: 48

約数和(自身を含む): 11007360

約数和(自身を除く): 6750380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2339, 4678, 9356, 11695, 16373, 23390, 30407, 32746, 46780, 60814, 65492, 81865, 121628, 152035, 163730, 212849, 304070, 327460, 425698, 608140, 851396, 1064245, 2128490, 4256980]

約数ペア:

[(1, 4256980), (2, 2128490), (4, 1064245), (5, 851396), (7, 608140), (10, 425698), (13, 327460), (14, 304070), (20, 212849), (26, 163730), (28, 152035), (35, 121628), (52, 81865), (65, 65492), (70, 60814), (91, 46780), (130, 32746), (140, 30407), (182, 23390), (260, 16373), (364, 11695), (455, 9356), (910, 4678), (1820, 2339)]