4967840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 11952360

約数和(自身を除く): 6984520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 509, 610, 976, 1018, 1220, 1952, 2036, 2440, 2545, 4072, 4880, 5090, 8144, 9760, 10180, 16288, 20360, 31049, 40720, 62098, 81440, 124196, 155245, 248392, 310490, 496784, 620980, 993568, 1241960, 2483920, 4967840]

約数ペア:

[(1, 4967840), (2, 2483920), (4, 1241960), (5, 993568), (8, 620980), (10, 496784), (16, 310490), (20, 248392), (32, 155245), (40, 124196), (61, 81440), (80, 62098), (122, 40720), (160, 31049), (244, 20360), (305, 16288), (488, 10180), (509, 9760), (610, 8144), (976, 5090), (1018, 4880), (1220, 4072), (1952, 2545), (2036, 2440)]