20130441040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1423}}^1\times {\mathrm{1823}}^1$

素因数の和:3356

約数の個数: 80

約数和(自身を含む): 47344969728

約数和(自身を除く): 27214528688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1423, 1552, 1823, 1940, 2846, 3646, 3880, 5692, 7115, 7292, 7760, 9115, 11384, 14230, 14584, 18230, 22768, 28460, 29168, 36460, 56920, 72920, 113840, 138031, 145840, 176831, 276062, 353662, 552124, 690155, 707324, 884155, 1104248, 1380310, 1414648, 1768310, 2208496, 2594129, 2760620, 2829296, 3536620, 5188258, 5521240, 7073240, 10376516, 11042480, 12970645, 14146480, 20753032, 25941290, 41506064, 51882580, 103765160, 207530320, 251630513, 503261026, 1006522052, 1258152565, 2013044104, 2516305130, 4026088208, 5032610260, 10065220520, 20130441040]

約数ペア:

[(1, 20130441040), (2, 10065220520), (4, 5032610260), (5, 4026088208), (8, 2516305130), (10, 2013044104), (16, 1258152565), (20, 1006522052), (40, 503261026), (80, 251630513), (97, 207530320), (194, 103765160), (388, 51882580), (485, 41506064), (776, 25941290), (970, 20753032), (1423, 14146480), (1552, 12970645), (1823, 11042480), (1940, 10376516), (2846, 7073240), (3646, 5521240), (3880, 5188258), (5692, 3536620), (7115, 2829296), (7292, 2760620), (7760, 2594129), (9115, 2208496), (11384, 1768310), (14230, 1414648), (14584, 1380310), (18230, 1104248), (22768, 884155), (28460, 707324), (29168, 690155), (36460, 552124), (56920, 353662), (72920, 276062), (113840, 176831), (138031, 145840)]