47121940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 104509440

約数和(自身を除く): 57387500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1151, 1780, 2047, 2302, 4094, 4604, 5755, 8188, 10235, 11510, 20470, 23020, 26473, 40940, 52946, 102439, 105892, 132365, 204878, 264730, 409756, 512195, 529460, 1024390, 2048780, 2356097, 4712194, 9424388, 11780485, 23560970, 47121940]

約数ペア:

[(1, 47121940), (2, 23560970), (4, 11780485), (5, 9424388), (10, 4712194), (20, 2356097), (23, 2048780), (46, 1024390), (89, 529460), (92, 512195), (115, 409756), (178, 264730), (230, 204878), (356, 132365), (445, 105892), (460, 102439), (890, 52946), (1151, 40940), (1780, 26473), (2047, 23020), (2302, 20470), (4094, 11510), (4604, 10235), (5755, 8188)]