39411440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28979}}^1$

素因数の和:29009

約数の個数: 40

約数和(自身を含む): 97025040

約数和(自身を除く): 57613600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28979, 57958, 115916, 144895, 231832, 289790, 463664, 492643, 579580, 985286, 1159160, 1970572, 2318320, 2463215, 3941144, 4926430, 7882288, 9852860, 19705720, 39411440]

約数ペア:

[(1, 39411440), (2, 19705720), (4, 9852860), (5, 7882288), (8, 4926430), (10, 3941144), (16, 2463215), (17, 2318320), (20, 1970572), (34, 1159160), (40, 985286), (68, 579580), (80, 492643), (85, 463664), (136, 289790), (170, 231832), (272, 144895), (340, 115916), (680, 57958), (1360, 28979)]