9886880

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 23764104

約数和(自身を除く): 13877224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1013, 1220, 1952, 2026, 2440, 4052, 4880, 5065, 8104, 9760, 10130, 16208, 20260, 32416, 40520, 61793, 81040, 123586, 162080, 247172, 308965, 494344, 617930, 988688, 1235860, 1977376, 2471720, 4943440, 9886880]

約数ペア:

[(1, 9886880), (2, 4943440), (4, 2471720), (5, 1977376), (8, 1235860), (10, 988688), (16, 617930), (20, 494344), (32, 308965), (40, 247172), (61, 162080), (80, 123586), (122, 81040), (160, 61793), (244, 40520), (305, 32416), (488, 20260), (610, 16208), (976, 10130), (1013, 9760), (1220, 8104), (1952, 5065), (2026, 4880), (2440, 4052)]