23857720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 56311200

約数和(自身を除く): 32453480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 131, 145, 157, 232, 262, 290, 314, 524, 580, 628, 655, 785, 1048, 1160, 1256, 1310, 1570, 2620, 3140, 3799, 4553, 5240, 6280, 7598, 9106, 15196, 18212, 18995, 20567, 22765, 30392, 36424, 37990, 41134, 45530, 75980, 82268, 91060, 102835, 151960, 164536, 182120, 205670, 411340, 596443, 822680, 1192886, 2385772, 2982215, 4771544, 5964430, 11928860, 23857720]

約数ペア:

[(1, 23857720), (2, 11928860), (4, 5964430), (5, 4771544), (8, 2982215), (10, 2385772), (20, 1192886), (29, 822680), (40, 596443), (58, 411340), (116, 205670), (131, 182120), (145, 164536), (157, 151960), (232, 102835), (262, 91060), (290, 82268), (314, 75980), (524, 45530), (580, 41134), (628, 37990), (655, 36424), (785, 30392), (1048, 22765), (1160, 20567), (1256, 18995), (1310, 18212), (1570, 15196), (2620, 9106), (3140, 7598), (3799, 6280), (4553, 5240)]