161001250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6820

約数の個数: 40

約数和(自身を含む): 317710800

約数和(自身を除く): 156709550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 4750, 6779, 11875, 13558, 23750, 33895, 67790, 128801, 169475, 257602, 338950, 644005, 847375, 1288010, 1694750, 3220025, 4236875, 6440050, 8473750, 16100125, 32200250, 80500625, 161001250]

約数ペア:

[(1, 161001250), (2, 80500625), (5, 32200250), (10, 16100125), (19, 8473750), (25, 6440050), (38, 4236875), (50, 3220025), (95, 1694750), (125, 1288010), (190, 847375), (250, 644005), (475, 338950), (625, 257602), (950, 169475), (1250, 128801), (2375, 67790), (4750, 33895), (6779, 23750), (11875, 13558)]