1639776220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1\times {\mathrm{1601}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 3492847008

約数和(自身を除く): 1853070788

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 617, 830, 1234, 1601, 1660, 2468, 3085, 3202, 6170, 6404, 8005, 12340, 16010, 32020, 51211, 102422, 132883, 204844, 256055, 265766, 512110, 531532, 664415, 987817, 1024220, 1328830, 1975634, 2657660, 3951268, 4939085, 9878170, 19756340, 81988811, 163977622, 327955244, 409944055, 819888110, 1639776220]

約数ペア:

[(1, 1639776220), (2, 819888110), (4, 409944055), (5, 327955244), (10, 163977622), (20, 81988811), (83, 19756340), (166, 9878170), (332, 4939085), (415, 3951268), (617, 2657660), (830, 1975634), (1234, 1328830), (1601, 1024220), (1660, 987817), (2468, 664415), (3085, 531532), (3202, 512110), (6170, 265766), (6404, 256055), (8005, 204844), (12340, 132883), (16010, 102422), (32020, 51211)]