72005725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13781}}^1$

素因数の和:13821

約数の個数: 24

約数和(自身を含む): 102538080

約数和(自身を除く): 30532355

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 13781, 68905, 151591, 261839, 344525, 757955, 1309195, 2880229, 3789775, 6545975, 14401145, 72005725]

約数ペア:

[(1, 72005725), (5, 14401145), (11, 6545975), (19, 3789775), (25, 2880229), (55, 1309195), (95, 757955), (209, 344525), (275, 261839), (475, 151591), (1045, 68905), (5225, 13781)]