138459680

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3217}}^1$

素因数の和:3501

約数の個数: 48

約数和(自身を含む): 328429080

約数和(自身を除く): 189969400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 3217, 4304, 5380, 6434, 8608, 10760, 12868, 16085, 21520, 25736, 32170, 43040, 51472, 64340, 102944, 128680, 257360, 514720, 865373, 1730746, 3461492, 4326865, 6922984, 8653730, 13845968, 17307460, 27691936, 34614920, 69229840, 138459680]

約数ペア:

[(1, 138459680), (2, 69229840), (4, 34614920), (5, 27691936), (8, 17307460), (10, 13845968), (16, 8653730), (20, 6922984), (32, 4326865), (40, 3461492), (80, 1730746), (160, 865373), (269, 514720), (538, 257360), (1076, 128680), (1345, 102944), (2152, 64340), (2690, 51472), (3217, 43040), (4304, 32170), (5380, 25736), (6434, 21520), (8608, 16085), (10760, 12868)]