31800916225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{5189}}^1$

素因数の和:5494

約数の個数: 48

約数和(自身を含む): 43112084400

約数和(自身を除く): 11311168175

約数列:

[1, 5, 13, 25, 65, 109, 173, 325, 545, 865, 1417, 2249, 2725, 4325, 5189, 7085, 11245, 18857, 25945, 35425, 56225, 67457, 94285, 129725, 245141, 337285, 471425, 565601, 897697, 1225705, 1686425, 2828005, 4488485, 6128525, 7352813, 11670061, 14140025, 22442425, 36764065, 58350305, 97848973, 183820325, 291751525, 489244865, 1272036649, 2446224325, 6360183245, 31800916225]

約数ペア:

[(1, 31800916225), (5, 6360183245), (13, 2446224325), (25, 1272036649), (65, 489244865), (109, 291751525), (173, 183820325), (325, 97848973), (545, 58350305), (865, 36764065), (1417, 22442425), (2249, 14140025), (2725, 11670061), (4325, 7352813), (5189, 6128525), (7085, 4488485), (11245, 2828005), (18857, 1686425), (25945, 1225705), (35425, 897697), (56225, 565601), (67457, 471425), (94285, 337285), (129725, 245141)]