51288320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 130133304

約数和(自身を除く): 78844984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2357, 2720, 4352, 4714, 5440, 9428, 10880, 11785, 18856, 21760, 23570, 37712, 40069, 47140, 75424, 80138, 94280, 150848, 160276, 188560, 200345, 301696, 320552, 377120, 400690, 603392, 641104, 754240, 801380, 1282208, 1508480, 1602760, 2564416, 3016960, 3205520, 5128832, 6411040, 10257664, 12822080, 25644160, 51288320]

約数ペア:

[(1, 51288320), (2, 25644160), (4, 12822080), (5, 10257664), (8, 6411040), (10, 5128832), (16, 3205520), (17, 3016960), (20, 2564416), (32, 1602760), (34, 1508480), (40, 1282208), (64, 801380), (68, 754240), (80, 641104), (85, 603392), (128, 400690), (136, 377120), (160, 320552), (170, 301696), (256, 200345), (272, 188560), (320, 160276), (340, 150848), (544, 94280), (640, 80138), (680, 75424), (1088, 47140), (1280, 40069), (1360, 37712), (2176, 23570), (2357, 21760), (2720, 18856), (4352, 11785), (4714, 10880), (5440, 9428)]