25215565520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{145991}}^1$

素因数の和:146148

約数の個数: 80

約数和(自身を含む): 62563995648

約数和(自身を除く): 37348430128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 2032, 2159, 2540, 4318, 5080, 8636, 10160, 10795, 17272, 21590, 34544, 43180, 86360, 145991, 172720, 291982, 583964, 729955, 1167928, 1459910, 2335856, 2481847, 2919820, 4963694, 5839640, 9927388, 11679280, 12409235, 18540857, 19854776, 24818470, 37081714, 39709552, 49636940, 74163428, 92704285, 99273880, 148326856, 185408570, 198547760, 296653712, 315194569, 370817140, 630389138, 741634280, 1260778276, 1483268560, 1575972845, 2521556552, 3151945690, 5043113104, 6303891380, 12607782760, 25215565520]

約数ペア:

[(1, 25215565520), (2, 12607782760), (4, 6303891380), (5, 5043113104), (8, 3151945690), (10, 2521556552), (16, 1575972845), (17, 1483268560), (20, 1260778276), (34, 741634280), (40, 630389138), (68, 370817140), (80, 315194569), (85, 296653712), (127, 198547760), (136, 185408570), (170, 148326856), (254, 99273880), (272, 92704285), (340, 74163428), (508, 49636940), (635, 39709552), (680, 37081714), (1016, 24818470), (1270, 19854776), (1360, 18540857), (2032, 12409235), (2159, 11679280), (2540, 9927388), (4318, 5839640), (5080, 4963694), (8636, 2919820), (10160, 2481847), (10795, 2335856), (17272, 1459910), (21590, 1167928), (34544, 729955), (43180, 583964), (86360, 291982), (145991, 172720)]