1292643280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{950473}}^1$

素因数の和:950503

約数の個数: 40

約数和(自身を含む): 3182186952

約数和(自身を除く): 1889543672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 950473, 1900946, 3801892, 4752365, 7603784, 9504730, 15207568, 16158041, 19009460, 32316082, 38018920, 64632164, 76037840, 80790205, 129264328, 161580410, 258528656, 323160820, 646321640, 1292643280]

約数ペア:

[(1, 1292643280), (2, 646321640), (4, 323160820), (5, 258528656), (8, 161580410), (10, 129264328), (16, 80790205), (17, 76037840), (20, 64632164), (34, 38018920), (40, 32316082), (68, 19009460), (80, 16158041), (85, 15207568), (136, 9504730), (170, 7603784), (272, 4752365), (340, 3801892), (680, 1900946), (1360, 950473)]