90000002480

素因数分解:

$2^4\times 5^1\times {\mathrm{11939}}^1\times {\mathrm{94229}}^1$

素因数の和:106181

約数の個数: 40

約数和(自身を含む): 209269753200

約数和(自身を除く): 119269750720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11939, 23878, 47756, 59695, 94229, 95512, 119390, 188458, 191024, 238780, 376916, 471145, 477560, 753832, 942290, 955120, 1507664, 1884580, 3769160, 7538320, 1125000031, 2250000062, 4500000124, 5625000155, 9000000248, 11250000310, 18000000496, 22500000620, 45000001240, 90000002480]

約数ペア:

[(1, 90000002480), (2, 45000001240), (4, 22500000620), (5, 18000000496), (8, 11250000310), (10, 9000000248), (16, 5625000155), (20, 4500000124), (40, 2250000062), (80, 1125000031), (11939, 7538320), (23878, 3769160), (47756, 1884580), (59695, 1507664), (94229, 955120), (95512, 942290), (119390, 753832), (188458, 477560), (191024, 471145), (238780, 376916)]