2039403728

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{4987}}^1$

素因数の和:5475

約数の個数: 40

約数和(自身を含む): 4026513120

約数和(自身を除く): 1987109392

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 419, 488, 838, 976, 1676, 3352, 4987, 6704, 9974, 19948, 25559, 39896, 51118, 79792, 102236, 204472, 304207, 408944, 608414, 1216828, 2089553, 2433656, 4179106, 4867312, 8358212, 16716424, 33432848, 127462733, 254925466, 509850932, 1019701864, 2039403728]

約数ペア:

[(1, 2039403728), (2, 1019701864), (4, 509850932), (8, 254925466), (16, 127462733), (61, 33432848), (122, 16716424), (244, 8358212), (419, 4867312), (488, 4179106), (838, 2433656), (976, 2089553), (1676, 1216828), (3352, 608414), (4987, 408944), (6704, 304207), (9974, 204472), (19948, 102236), (25559, 79792), (39896, 51118)]