4037840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2969}}^1$

素因数の和:2999

約数の個数: 40

約数和(自身を含む): 9943560

約数和(自身を除く): 5905720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2969, 5938, 11876, 14845, 23752, 29690, 47504, 50473, 59380, 100946, 118760, 201892, 237520, 252365, 403784, 504730, 807568, 1009460, 2018920, 4037840]

約数ペア:

[(1, 4037840), (2, 2018920), (4, 1009460), (5, 807568), (8, 504730), (10, 403784), (16, 252365), (17, 237520), (20, 201892), (34, 118760), (40, 100946), (68, 59380), (80, 50473), (85, 47504), (136, 29690), (170, 23752), (272, 14845), (340, 11876), (680, 5938), (1360, 2969)]