2020446880

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{207013}}^1$

素因数の和:207089

約数の個数: 48

約数和(自身を含む): 4851580104

約数和(自身を除く): 2831133224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 207013, 414026, 828052, 1035065, 1656104, 2070130, 3312208, 4140260, 6624416, 8280520, 12627793, 16561040, 25255586, 33122080, 50511172, 63138965, 101022344, 126277930, 202044688, 252555860, 404089376, 505111720, 1010223440, 2020446880]

約数ペア:

[(1, 2020446880), (2, 1010223440), (4, 505111720), (5, 404089376), (8, 252555860), (10, 202044688), (16, 126277930), (20, 101022344), (32, 63138965), (40, 50511172), (61, 33122080), (80, 25255586), (122, 16561040), (160, 12627793), (244, 8280520), (305, 6624416), (488, 4140260), (610, 3312208), (976, 2070130), (1220, 1656104), (1952, 1035065), (2440, 828052), (4880, 414026), (9760, 207013)]