53984125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 73382400

約数和(自身を除く): 19398275

約数列:

[1, 5, 13, 25, 65, 125, 139, 239, 325, 695, 1195, 1625, 1807, 3107, 3475, 5975, 9035, 15535, 17375, 29875, 33221, 45175, 77675, 166105, 225875, 388375, 431873, 830525, 2159365, 4152625, 10796825, 53984125]

約数ペア:

[(1, 53984125), (5, 10796825), (13, 4152625), (25, 2159365), (65, 830525), (125, 431873), (139, 388375), (239, 225875), (325, 166105), (695, 77675), (1195, 45175), (1625, 33221), (1807, 29875), (3107, 17375), (3475, 15535), (5975, 9035)]