20199159760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{329191}}^1$

素因数の和:329276

約数の個数: 80

約数和(自身を含む): 51432958080

約数和(自身を除く): 31233798320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 3068, 3835, 4720, 6136, 7670, 12272, 15340, 30680, 61360, 329191, 658382, 1316764, 1645955, 2633528, 3291910, 4279483, 5267056, 6583820, 8558966, 13167640, 17117932, 19422269, 21397415, 26335280, 34235864, 38844538, 42794830, 68471728, 77689076, 85589660, 97111345, 155378152, 171179320, 194222690, 252489497, 310756304, 342358640, 388445380, 504978994, 776890760, 1009957988, 1262447485, 1553781520, 2019915976, 2524894970, 4039831952, 5049789940, 10099579880, 20199159760]

約数ペア:

[(1, 20199159760), (2, 10099579880), (4, 5049789940), (5, 4039831952), (8, 2524894970), (10, 2019915976), (13, 1553781520), (16, 1262447485), (20, 1009957988), (26, 776890760), (40, 504978994), (52, 388445380), (59, 342358640), (65, 310756304), (80, 252489497), (104, 194222690), (118, 171179320), (130, 155378152), (208, 97111345), (236, 85589660), (260, 77689076), (295, 68471728), (472, 42794830), (520, 38844538), (590, 34235864), (767, 26335280), (944, 21397415), (1040, 19422269), (1180, 17117932), (1534, 13167640), (2360, 8558966), (3068, 6583820), (3835, 5267056), (4720, 4279483), (6136, 3291910), (7670, 2633528), (12272, 1645955), (15340, 1316764), (30680, 658382), (61360, 329191)]