80328400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11813}}^1$

素因数の和:11848

約数の個数: 60

約数和(自身を含む): 204358572

約数和(自身を除く): 124030172

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 200821, 236260, 295325, 401642, 472520, 590650, 803284, 945040, 1004105, 1181300, 1606568, 2008210, 2362600, 3213136, 4016420, 4725200, 5020525, 8032840, 10041050, 16065680, 20082100, 40164200, 80328400]

約数ペア:

[(1, 80328400), (2, 40164200), (4, 20082100), (5, 16065680), (8, 10041050), (10, 8032840), (16, 5020525), (17, 4725200), (20, 4016420), (25, 3213136), (34, 2362600), (40, 2008210), (50, 1606568), (68, 1181300), (80, 1004105), (85, 945040), (100, 803284), (136, 590650), (170, 472520), (200, 401642), (272, 295325), (340, 236260), (400, 200821), (425, 189008), (680, 118130), (850, 94504), (1360, 59065), (1700, 47252), (3400, 23626), (6800, 11813)]