12807800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3767}}^1$

素因数の和:3800

約数の個数: 48

約数和(自身を含む): 31538160

約数和(自身を除く): 18730360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 3767, 7534, 15068, 18835, 30136, 37670, 64039, 75340, 94175, 128078, 150680, 188350, 256156, 320195, 376700, 512312, 640390, 753400, 1280780, 1600975, 2561560, 3201950, 6403900, 12807800]

約数ペア:

[(1, 12807800), (2, 6403900), (4, 3201950), (5, 2561560), (8, 1600975), (10, 1280780), (17, 753400), (20, 640390), (25, 512312), (34, 376700), (40, 320195), (50, 256156), (68, 188350), (85, 150680), (100, 128078), (136, 94175), (170, 75340), (200, 64039), (340, 37670), (425, 30136), (680, 18835), (850, 15068), (1700, 7534), (3400, 3767)]