1642804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{36523}}^1$

素因数の和:36718

約数の個数: 48

約数和(自身を含む): 3736843488

約数和(自身を除く): 2094038948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 2249, 3460, 4498, 8996, 11245, 22490, 36523, 44980, 73046, 146092, 182615, 365230, 474799, 730460, 949598, 1899196, 2373995, 4747990, 6318479, 9495980, 12636958, 25273916, 31592395, 63184790, 82140227, 126369580, 164280454, 328560908, 410701135, 821402270, 1642804540]

約数ペア:

[(1, 1642804540), (2, 821402270), (4, 410701135), (5, 328560908), (10, 164280454), (13, 126369580), (20, 82140227), (26, 63184790), (52, 31592395), (65, 25273916), (130, 12636958), (173, 9495980), (260, 6318479), (346, 4747990), (692, 2373995), (865, 1899196), (1730, 949598), (2249, 730460), (3460, 474799), (4498, 365230), (8996, 182615), (11245, 146092), (22490, 73046), (36523, 44980)]