21824080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 53349264

約数和(自身を除く): 31525184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 73, 74, 80, 101, 146, 148, 185, 202, 292, 296, 365, 370, 404, 505, 584, 592, 730, 740, 808, 1010, 1168, 1460, 1480, 1616, 2020, 2701, 2920, 2960, 3737, 4040, 5402, 5840, 7373, 7474, 8080, 10804, 13505, 14746, 14948, 18685, 21608, 27010, 29492, 29896, 36865, 37370, 43216, 54020, 58984, 59792, 73730, 74740, 108040, 117968, 147460, 149480, 216080, 272801, 294920, 298960, 545602, 589840, 1091204, 1364005, 2182408, 2728010, 4364816, 5456020, 10912040, 21824080]

約数ペア:

[(1, 21824080), (2, 10912040), (4, 5456020), (5, 4364816), (8, 2728010), (10, 2182408), (16, 1364005), (20, 1091204), (37, 589840), (40, 545602), (73, 298960), (74, 294920), (80, 272801), (101, 216080), (146, 149480), (148, 147460), (185, 117968), (202, 108040), (292, 74740), (296, 73730), (365, 59792), (370, 58984), (404, 54020), (505, 43216), (584, 37370), (592, 36865), (730, 29896), (740, 29492), (808, 27010), (1010, 21608), (1168, 18685), (1460, 14948), (1480, 14746), (1616, 13505), (2020, 10804), (2701, 8080), (2920, 7474), (2960, 7373), (3737, 5840), (4040, 5402)]